(function (mod){ 
if (typeof exports == "object" && typeof module == "object") module.exports = mod(); 
 else if (typeof define == "function" && define.amd) return define([] , mod); 
 else this.CodeMirror = mod(); 
} 
)(function (){ 
"use strict"; 
var gecko = /gecko\/\d/i.test(navigator.userAgent); 
var ie_upto10 = /MSIE \d/.test(navigator.userAgent); 
var ie_11up = /Trident\/(?:[7-9]|\d{2,})\..*rv:(\d+)/.exec(navigator.userAgent); 
var ie = ie_upto10 || ie_11up; 
var ie_version = ie && (ie_upto10? document.documentMode || 6: ie_11up[1]); 
var webkit = /WebKit\//.test(navigator.userAgent); 
var qtwebkit = webkit && /Qt\/\d+\.\d+/.test(navigator.userAgent); 
var chrome = /Chrome\//.test(navigator.userAgent); 
var presto = /Opera\//.test(navigator.userAgent); 
var safari = /Apple Computer/.test(navigator.vendor); 
var mac_geMountainLion = /Mac OS X 1\d\D([8-9]|\d\d)\D/.test(navigator.userAgent); 
var phantom = /PhantomJS/.test(navigator.userAgent); 
var ios = /AppleWebKit/.test(navigator.userAgent) && /Mobile\/\w+/.test(navigator.userAgent); 
var mobile = ios || /Android|webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test(navigator.userAgent); 
var mac = ios || /Mac/.test(navigator.platform); 
var windows = /win/i.test(navigator.platform); 
var presto_version = presto && navigator.userAgent.match(/Version\/(\d*\.\d*)/); 
if (presto_version) presto_version = Number(presto_version[1]); 
if (presto_version && presto_version >= 15) { 
presto = false ; 
webkit = true ; 
} 
var flipCtrlCmd = mac && (qtwebkit || presto && (presto_version == null  || presto_version < 12.11)); 
var captureRightClick = gecko || (ie && ie_version >= 9); 
var sawReadOnlySpans = false , sawCollapsedSpans = false ; 
function CodeMirror(place, options){ 
if (!(this instanceof CodeMirror)) return new CodeMirror(place, options); 
this.options = options = options? copyObj(options): { 
}
; 
copyObj(defaults, options, false ); 
setGuttersForLineNumbers(options); 
var doc = options.value; 
if (typeof doc == "string") doc = new Doc(doc, options.mode); 
this.doc = doc; 
var input = new CodeMirror.inputStyles[options.inputStyle](this); 
var display = this.display = new Display(place, doc, input); 
display.wrapper.CodeMirror = this; 
updateGutters(this); 
themeChanged(this); 
if (options.lineWrapping) this.display.wrapper.className += " CodeMirror-wrap"; 
if (options.autofocus && !mobile) display.input.focus(); 
initScrollbars(this); 
this.state = { 
keyMaps: [] ,
overlays: [] ,
modeGen: 0,
overwrite: false ,
delayingBlurEvent: false ,
focused: false ,
suppressEdits: false ,
pasteIncoming: false ,
cutIncoming: false ,
draggingText: false ,
highlight: new Delayed(),
keySeq: null ,
specialChars: null }
; 
var cm = this; 
if (ie && ie_version < 11) _AN_Call_settimeout("setTimeout", window, function (){ 
cm.display.input.reset(true ); 
} 
, 20); 
registerEventHandlers(this); 
ensureGlobalHandlers(); 
startOperation(this); 
this.curOp.forceUpdate = true ; 
attachDoc(this, doc); 
if ((options.autofocus && !mobile) || cm.hasFocus()) _AN_Call_settimeout("setTimeout", window, bind(onFocus, this), 20); 
 else onBlur(this); 
for (var opt in optionHandlers)if (optionHandlers.hasOwnProperty(opt)) optionHandlers[opt](this, options[opt], Init); 
maybeUpdateLineNumberWidth(this); 
if (options.finishInit) options.finishInit(this); 
for (var i = 0; 
i < _AN_Read_length("length", initHooks); ++i)initHooks[i](this); 
endOperation(this); 
if (webkit && options.lineWrapping && getComputedStyle(display.lineDiv).textRendering == "optimizelegibility") display.lineDiv.style.textRendering = "auto"; 
} 
function Display(place, doc, input){ 
var d = this; 
this.input = input; 
d.scrollbarFiller = elt("div", null , "CodeMirror-scrollbar-filler"); 
_AN_Call_setattribute("setAttribute", d.scrollbarFiller, "cm-not-content", "true"); 
d.gutterFiller = elt("div", null , "CodeMirror-gutter-filler"); 
_AN_Call_setattribute("setAttribute", d.gutterFiller, "cm-not-content", "true"); 
d.lineDiv = elt("div", null , "CodeMirror-code"); 
d.selectionDiv = elt("div", null , null , "position: relative; z-index: 1"); 
d.cursorDiv = elt("div", null , "CodeMirror-cursors"); 
d.measure = elt("div", null , "CodeMirror-measure"); 
d.lineMeasure = elt("div", null , "CodeMirror-measure"); 
d.lineSpace = elt("div", [d.measure, d.lineMeasure, d.selectionDiv, d.cursorDiv, d.lineDiv] , null , "position: relative; outline: none"); 
d.mover = elt("div", [elt("div", [d.lineSpace] , "CodeMirror-lines")] , null , "position: relative"); 
d.sizer = elt("div", [d.mover] , "CodeMirror-sizer"); 
d.sizerWidth = null ; 
d.heightForcer = elt("div", null , null , "position: absolute; height: " + scrollerGap + "px; width: 1px;"); 
d.gutters = elt("div", null , "CodeMirror-gutters"); 
d.lineGutter = null ; 
d.scroller = elt("div", [d.sizer, d.heightForcer, d.gutters] , "CodeMirror-scroll"); 
_AN_Call_setattribute("setAttribute", d.scroller, "tabIndex", "-1"); 
d.wrapper = elt("div", [d.scrollbarFiller, d.gutterFiller, d.scroller] , "CodeMirror"); 
if (ie && ie_version < 8) { 
d.gutters.style.zIndex = -1; 
d.scroller.style.paddingRight = 0; 
} 
if (!webkit && !(gecko && mobile)) d.scroller.draggable = true ; 
if (place) { 
if (place.appendChild) _AN_Call_appendchild("appendChild", place, d.wrapper); 
 else place(d.wrapper); 
} 
d.viewFrom = d.viewTo = doc.first; 
d.reportedViewFrom = d.reportedViewTo = doc.first; 
d.view = [] ; 
d.renderedView = null ; 
d.externalMeasured = null ; 
d.viewOffset = 0; 
d.lastWrapHeight = d.lastWrapWidth = 0; 
d.updateLineNumbers = null ; 
d.nativeBarWidth = d.barHeight = d.barWidth = 0; 
d.scrollbarsClipped = false ; 
d.lineNumWidth = d.lineNumInnerWidth = d.lineNumChars = null ; 
d.alignWidgets = false ; 
d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null ; 
d.maxLine = null ; 
d.maxLineLength = 0; 
d.maxLineChanged = false ; 
d.wheelDX = d.wheelDY = d.wheelStartX = d.wheelStartY = null ; 
d.shift = false ; 
d.selForContextMenu = null ; 
d.activeTouch = null ; 
_AN_Call_init("init", input, d); 
} 
function loadMode(cm){ 
cm.doc.mode = CodeMirror.getMode(cm.options, cm.doc.modeOption); 
resetModeState(cm); 
} 
function resetModeState(cm){ 
cm.doc.iter(function (line){ 
if (line.stateAfter) line.stateAfter = null ; 
if (line.styles) line.styles = null ; 
} 
); 
cm.doc.frontier = cm.doc.first; 
startWorker(cm, 100); 
cm.state.modeGen++ ; 
if (cm.curOp) regChange(cm); 
} 
function wrappingChanged(cm){ 
if (cm.options.lineWrapping) { 
addClass(cm.display.wrapper, "CodeMirror-wrap"); 
cm.display.sizer.style.minWidth = ""; 
cm.display.sizerWidth = null ; 
} 
 else { 
rmClass(cm.display.wrapper, "CodeMirror-wrap"); 
findMaxLine(cm); 
} 
estimateLineHeights(cm); 
regChange(cm); 
clearCaches(cm); 
_AN_Call_settimeout("setTimeout", window, function (){ 
updateScrollbars(cm); 
} 
, 100); 
} 
function estimateHeight(cm){ 
var th = textHeight(cm.display), wrapping = cm.options.lineWrapping; 
var perLine = wrapping && Math.max(5, cm.display.scroller.clientWidth / charWidth(cm.display) - 3); 
return function (line){ 
if (lineIsHidden(cm.doc, line)) return 0; 
var widgetsHeight = 0; 
if (line.widgets) for (var i = 0; 
i < _AN_Read_length("length", line.widgets); i++ ){ 
if (line.widgets[i].height) widgetsHeight += line.widgets[i].height; 
} 
if (wrapping) return widgetsHeight + (Math.ceil(_AN_Read_length("length", line.text) / perLine) || 1) * th; 
 else return widgetsHeight + th; 
} 
; 
} 
function estimateLineHeights(cm){ 
var doc = cm.doc, est = estimateHeight(cm); 
doc.iter(function (line){ 
var estHeight = est(line); 
if (estHeight != line.height) updateLineHeight(line, estHeight); 
} 
); 
} 
function themeChanged(cm){ 
cm.display.wrapper.className = _AN_Call_replace("replace", cm.display.wrapper.className, /\s*cm-s-\S+/g, "") + _AN_Call_replace("replace", cm.options.theme, /(^|\s)\s*/g, " cm-s-"); 
clearCaches(cm); 
} 
function guttersChanged(cm){ 
updateGutters(cm); 
regChange(cm); 
_AN_Call_settimeout("setTimeout", window, function (){ 
alignHorizontally(cm); 
} 
, 20); 
} 
function updateGutters(cm){ 
var gutters = cm.display.gutters, specs = cm.options.gutters; 
removeChildren(gutters); 
for (var i = 0; 
i < _AN_Read_length("length", specs); ++i){ 
var gutterClass = specs[i]; 
var gElt = _AN_Call_appendchild("appendChild", gutters, elt("div", null , "CodeMirror-gutter " + gutterClass)); 
if (gutterClass == "CodeMirror-linenumbers") { 
cm.display.lineGutter = gElt; 
gElt.style.width = (cm.display.lineNumWidth || 1) + "px"; 
} 
} 
gutters.style.display = i? "": "none"; 
updateGutterSpace(cm); 
} 
function updateGutterSpace(cm){ 
var width = cm.display.gutters.offsetWidth; 
cm.display.sizer.style.marginLeft = width + "px"; 
} 
function lineLength(line){ 
if (line.height == 0) return 0; 
var len = _AN_Read_length("length", line.text), merged, cur = line; 
while (merged = collapsedSpanAtStart(cur)){ 
var found = merged.find(0, true ); 
cur = found.from.line; 
len += found.from.ch - found.to.ch; 
} 
cur = line; 
while (merged = collapsedSpanAtEnd(cur)){ 
var found = merged.find(0, true ); 
len -= _AN_Read_length("length", cur.text) - found.from.ch; 
cur = found.to.line; 
len += _AN_Read_length("length", cur.text) - found.to.ch; 
} 
return len; 
} 
function findMaxLine(cm){ 
var d = cm.display, doc = cm.doc; 
d.maxLine = getLine(doc, doc.first); 
d.maxLineLength = lineLength(d.maxLine); 
d.maxLineChanged = true ; 
doc.iter(function (line){ 
var len = lineLength(line); 
if (len > d.maxLineLength) { 
d.maxLineLength = len; 
d.maxLine = line; 
} 
} 
); 
} 
function setGuttersForLineNumbers(options){ 
var found = indexOf(options.gutters, "CodeMirror-linenumbers"); 
if (found == -1 && options.lineNumbers) { 
options.gutters = options.gutters.concat(["CodeMirror-linenumbers"] ); 
} 
 else if (found > -1 && !options.lineNumbers) { 
options.gutters = options.gutters.slice(0); 
options.gutters.splice(found, 1); 
} 
} 
function measureForScrollbars(cm){ 
var d = cm.display, gutterW = d.gutters.offsetWidth; 
var docH = Math.round(cm.doc.height + paddingVert(cm.display)); 
return { 
clientHeight: d.scroller.clientHeight,
viewHeight: d.wrapper.clientHeight,
scrollWidth: d.scroller.scrollWidth,
clientWidth: d.scroller.clientWidth,
viewWidth: d.wrapper.clientWidth,
barLeft: cm.options.fixedGutter? gutterW: 0,
docHeight: docH,
scrollHeight: docH + scrollGap(cm) + d.barHeight,
nativeBarWidth: d.nativeBarWidth,
gutterWidth: gutterW}
; 
} 
function NativeScrollbars(place, scroll, cm){ 
this.cm = cm; 
var vert = this.vert = elt("div", [elt("div", null , null , "min-width: 1px")] , "CodeMirror-vscrollbar"); 
var horiz = this.horiz = elt("div", [elt("div", null , null , "height: 100%; min-height: 1px")] , "CodeMirror-hscrollbar"); 
place(vert); 
place(horiz); 
on(vert, "scroll", function (){ 
if (vert.clientHeight) scroll(vert.scrollTop, "vertical"); 
} 
); 
on(horiz, "scroll", function (){ 
if (horiz.clientWidth) scroll(horiz.scrollLeft, "horizontal"); 
} 
); 
this.checkedOverlay = false ; 
if (ie && ie_version < 8) this.horiz.style.minHeight = this.vert.style.minWidth = "18px"; 
} 
NativeScrollbars.prototype = copyObj({ 
update: function (measure){ 
var needsH = measure.scrollWidth > measure.clientWidth + 1; 
var needsV = measure.scrollHeight > measure.clientHeight + 1; 
var sWidth = measure.nativeBarWidth; 
if (needsV) { 
this.vert.style.display = "block"; 
this.vert.style.bottom = needsH? sWidth + "px": "0"; 
var totalHeight = measure.viewHeight - (needsH? sWidth: 0); 
this.vert.firstChild.style.height = Math.max(0, measure.scrollHeight - measure.clientHeight + totalHeight) + "px"; 
} 
 else { 
this.vert.style.display = ""; 
this.vert.firstChild.style.height = "0"; 
} 
if (needsH) { 
this.horiz.style.display = "block"; 
this.horiz.style.right = needsV? sWidth + "px": "0"; 
this.horiz.style.left = measure.barLeft + "px"; 
var totalWidth = measure.viewWidth - measure.barLeft - (needsV? sWidth: 0); 
this.horiz.firstChild.style.width = (measure.scrollWidth - measure.clientWidth + totalWidth) + "px"; 
} 
 else { 
this.horiz.style.display = ""; 
this.horiz.firstChild.style.width = "0"; 
} 
if (!this.checkedOverlay && measure.clientHeight > 0) { 
if (sWidth == 0) this.overlayHack(); 
this.checkedOverlay = true ; 
} 
return { 
right: needsV? sWidth: 0,
bottom: needsH? sWidth: 0}
; 
} 
,
setScrollLeft: function (pos){ 
if (this.horiz.scrollLeft != pos) this.horiz.scrollLeft = pos; 
} 
,
setScrollTop: function (pos){ 
if (this.vert.scrollTop != pos) this.vert.scrollTop = pos; 
} 
,
overlayHack: function (){ 
var w = mac && !mac_geMountainLion? "12px": "18px"; 
this.horiz.style.minHeight = this.vert.style.minWidth = w; 
var self = this; 
var barMouseDown = function (e){ 
if (e_target(e) != self.vert && e_target(e) != self.horiz) operation(self.cm, onMouseDown)(e); 
} 
; 
on(this.vert, "mousedown", barMouseDown); 
on(this.horiz, "mousedown", barMouseDown); 
} 
,
clear: function (){ 
var parent = this.horiz.parentNode; 
parent.removeChild(this.horiz); 
parent.removeChild(this.vert); 
} 
}
, NativeScrollbars.prototype); 
function NullScrollbars(){ 
} 
NullScrollbars.prototype = copyObj({ 
update: function (){ 
return { 
bottom: 0,
right: 0}
; 
} 
,
setScrollLeft: function (){ 
} 
,
setScrollTop: function (){ 
} 
,
clear: function (){ 
} 
}
, NullScrollbars.prototype); 
CodeMirror.scrollbarModel = { 
"native": NativeScrollbars,
"null": NullScrollbars}
; 
function initScrollbars(cm){ 
if (cm.display.scrollbars) { 
_AN_Call_clear("clear", cm.display.scrollbars); 
if (cm.display.scrollbars.addClass) rmClass(cm.display.wrapper, cm.display.scrollbars.addClass); 
} 
cm.display.scrollbars = new CodeMirror.scrollbarModel[cm.options.scrollbarStyle](function (node){ 
cm.display.wrapper.insertBefore(node, cm.display.scrollbarFiller); 
on(node, "mousedown", function (){ 
if (cm.state.focused) _AN_Call_settimeout("setTimeout", window, function (){ 
cm.display.input.focus(); 
} 
, 0); 
} 
); 
_AN_Call_setattribute("setAttribute", node, "cm-not-content", "true"); 
} 
, function (pos, axis){ 
if (axis == "horizontal") setScrollLeft(cm, pos); 
 else setScrollTop(cm, pos); 
} 
, cm); 
if (cm.display.scrollbars.addClass) addClass(cm.display.wrapper, cm.display.scrollbars.addClass); 
} 
function updateScrollbars(cm, measure){ 
if (!measure) measure = measureForScrollbars(cm); 
var startWidth = cm.display.barWidth, startHeight = cm.display.barHeight; 
updateScrollbarsInner(cm, measure); 
for (var i = 0; 
i < 4 && startWidth != cm.display.barWidth || startHeight != cm.display.barHeight; i++ ){ 
if (startWidth != cm.display.barWidth && cm.options.lineWrapping) updateHeightsInViewport(cm); 
updateScrollbarsInner(cm, measureForScrollbars(cm)); 
startWidth = cm.display.barWidth; 
startHeight = cm.display.barHeight; 
} 
} 
function updateScrollbarsInner(cm, measure){ 
var d = cm.display; 
var sizes = d.scrollbars.update(measure); 
d.sizer.style.paddingRight = (d.barWidth = sizes.right) + "px"; 
d.sizer.style.paddingBottom = (d.barHeight = sizes.bottom) + "px"; 
if (sizes.right && sizes.bottom) { 
d.scrollbarFiller.style.display = "block"; 
d.scrollbarFiller.style.height = sizes.bottom + "px"; 
d.scrollbarFiller.style.width = sizes.right + "px"; 
} 
 else d.scrollbarFiller.style.display = ""; 
if (sizes.bottom && cm.options.coverGutterNextToScrollbar && cm.options.fixedGutter) { 
d.gutterFiller.style.display = "block"; 
d.gutterFiller.style.height = sizes.bottom + "px"; 
d.gutterFiller.style.width = measure.gutterWidth + "px"; 
} 
 else d.gutterFiller.style.display = ""; 
} 
function visibleLines(display, doc, viewport){ 
var top = viewport && viewport.top != null ? Math.max(0, viewport.top): display.scroller.scrollTop; 
top = Math.floor(top - paddingTop(display)); 
var bottom = viewport && viewport.bottom != null ? viewport.bottom: top + display.wrapper.clientHeight; 
var from = lineAtHeight(doc, top), to = lineAtHeight(doc, bottom); 
if (viewport && viewport.ensure) { 
var ensureFrom = viewport.ensure.from.line, ensureTo = viewport.ensure.to.line; 
if (ensureFrom < from) { 
from = ensureFrom; 
to = lineAtHeight(doc, heightAtLine(getLine(doc, ensureFrom)) + display.wrapper.clientHeight); 
} 
 else if (Math.min(ensureTo, doc.lastLine()) >= to) { 
from = lineAtHeight(doc, heightAtLine(getLine(doc, ensureTo)) - display.wrapper.clientHeight); 
to = ensureTo; 
} 
} 
return { 
from: from,
to: Math.max(to, from + 1)}
; 
} 
function alignHorizontally(cm){ 
var display = cm.display, view = display.view; 
if (!display.alignWidgets && (!display.gutters.firstChild || !cm.options.fixedGutter)) return ; 
var comp = compensateForHScroll(display) - display.scroller.scrollLeft + cm.doc.scrollLeft; 
var gutterW = display.gutters.offsetWidth, left = comp + "px"; 
for (var i = 0; 
i < _AN_Read_length("length", view); i++ )if (!view[i].hidden) { 
if (cm.options.fixedGutter && view[i].gutter) view[i].gutter.style.left = left; 
var align = view[i].alignable; 
if (align) for (var j = 0; 
j < _AN_Read_length("length", align); j++ )align[j].style.left = left; 
} 
if (cm.options.fixedGutter) display.gutters.style.left = (comp + gutterW) + "px"; 
} 
function maybeUpdateLineNumberWidth(cm){ 
if (!cm.options.lineNumbers) return false ; 
var doc = cm.doc, last = lineNumberFor(cm.options, doc.first + doc.size - 1), display = cm.display; 
if (_AN_Read_length("length", last) != display.lineNumChars) { 
var test = _AN_Call_appendchild("appendChild", display.measure, elt("div", [elt("div", last)] , "CodeMirror-linenumber CodeMirror-gutter-elt")); 
var innerW = test.firstChild.offsetWidth, padding = test.offsetWidth - innerW; 
display.lineGutter.style.width = ""; 
display.lineNumInnerWidth = Math.max(innerW, display.lineGutter.offsetWidth - padding) + 1; 
display.lineNumWidth = display.lineNumInnerWidth + padding; 
display.lineNumChars = display.lineNumInnerWidth? _AN_Read_length("length", last): -1; 
display.lineGutter.style.width = display.lineNumWidth + "px"; 
updateGutterSpace(cm); 
return true ; 
} 
return false ; 
} 
function lineNumberFor(options, i){ 
return String(options.lineNumberFormatter(i + options.firstLineNumber)); 
} 
function compensateForHScroll(display){ 
return display.scroller.getBoundingClientRect().left - display.sizer.getBoundingClientRect().left; 
} 
function DisplayUpdate(cm, viewport, force){ 
var display = cm.display; 
this.viewport = viewport; 
this.visible = visibleLines(display, cm.doc, viewport); 
this.editorIsHidden = !display.wrapper.offsetWidth; 
this.wrapperHeight = display.wrapper.clientHeight; 
this.wrapperWidth = display.wrapper.clientWidth; 
this.oldDisplayWidth = displayWidth(cm); 
this.force = force; 
this.dims = getDimensions(cm); 
this.events = [] ; 
} 
DisplayUpdate.prototype.signal = function (emitter, type){ 
if (hasHandler(emitter, type)) this.events.push(arguments); 
} 
; 
DisplayUpdate.prototype.finish = function (){ 
for (var i = 0; 
i < _AN_Read_length("length", this.events); i++ )signal.apply(null , this.events[i]); 
} 
; 
function maybeClipScrollbars(cm){ 
var display = cm.display; 
if (!display.scrollbarsClipped && display.scroller.offsetWidth) { 
display.nativeBarWidth = display.scroller.offsetWidth - display.scroller.clientWidth; 
display.heightForcer.style.height = scrollGap(cm) + "px"; 
display.sizer.style.marginBottom = - display.nativeBarWidth + "px"; 
display.sizer.style.borderRightWidth = scrollGap(cm) + "px"; 
display.scrollbarsClipped = true ; 
} 
} 
function updateDisplayIfNeeded(cm, update){ 
var display = cm.display, doc = cm.doc; 
if (update.editorIsHidden) { 
resetView(cm); 
return false ; 
} 
if (!update.force && update.visible.from >= display.viewFrom && update.visible.to <= display.viewTo && (display.updateLineNumbers == null  || display.updateLineNumbers >= display.viewTo) && display.renderedView == display.view && countDirtyView(cm) == 0) return false ; 
if (maybeUpdateLineNumberWidth(cm)) { 
resetView(cm); 
update.dims = getDimensions(cm); 
} 
var end = doc.first + doc.size; 
var from = Math.max(update.visible.from - cm.options.viewportMargin, doc.first); 
var to = Math.min(end, update.visible.to + cm.options.viewportMargin); 
if (display.viewFrom < from && from - display.viewFrom < 20) from = Math.max(doc.first, display.viewFrom); 
if (display.viewTo > to && display.viewTo - to < 20) to = Math.min(end, display.viewTo); 
if (sawCollapsedSpans) { 
from = visualLineNo(cm.doc, from); 
to = visualLineEndNo(cm.doc, to); 
} 
var different = from != display.viewFrom || to != display.viewTo || display.lastWrapHeight != update.wrapperHeight || display.lastWrapWidth != update.wrapperWidth; 
adjustView(cm, from, to); 
display.viewOffset = heightAtLine(getLine(cm.doc, display.viewFrom)); 
cm.display.mover.style.top = display.viewOffset + "px"; 
var toUpdate = countDirtyView(cm); 
if (!different && toUpdate == 0 && !update.force && display.renderedView == display.view && (display.updateLineNumbers == null  || display.updateLineNumbers >= display.viewTo)) return false ; 
var focused = activeElt(); 
if (toUpdate > 4) display.lineDiv.style.display = "none"; 
patchDisplay(cm, display.updateLineNumbers, update.dims); 
if (toUpdate > 4) display.lineDiv.style.display = ""; 
display.renderedView = display.view; 
if (focused && activeElt() != focused && focused.offsetHeight) focused.focus(); 
removeChildren(display.cursorDiv); 
removeChildren(display.selectionDiv); 
display.gutters.style.height = 0; 
if (different) { 
display.lastWrapHeight = update.wrapperHeight; 
display.lastWrapWidth = update.wrapperWidth; 
startWorker(cm, 400); 
} 
display.updateLineNumbers = null ; 
return true ; 
} 
function postUpdateDisplay(cm, update){ 
var force = update.force, viewport = update.viewport; 
for (var first = true ; 
; first = false ){ 
if (first && cm.options.lineWrapping && update.oldDisplayWidth != displayWidth(cm)) { 
force = true ; 
} 
 else { 
force = false ; 
if (viewport && viewport.top != null ) viewport = { 
top: Math.min(cm.doc.height + paddingVert(cm.display) - displayHeight(cm), viewport.top)}
; 
update.visible = visibleLines(cm.display, cm.doc, viewport); 
if (update.visible.from >= cm.display.viewFrom && update.visible.to <= cm.display.viewTo) break ; 
} 
if (!updateDisplayIfNeeded(cm, update)) break ; 
updateHeightsInViewport(cm); 
var barMeasure = measureForScrollbars(cm); 
updateSelection(cm); 
setDocumentHeight(cm, barMeasure); 
updateScrollbars(cm, barMeasure); 
} 
update.signal(cm, "update", cm); 
if (cm.display.viewFrom != cm.display.reportedViewFrom || cm.display.viewTo != cm.display.reportedViewTo) { 
update.signal(cm, "viewportChange", cm, cm.display.viewFrom, cm.display.viewTo); 
cm.display.reportedViewFrom = cm.display.viewFrom; 
cm.display.reportedViewTo = cm.display.viewTo; 
} 
} 
function updateDisplaySimple(cm, viewport){ 
var update = new DisplayUpdate(cm, viewport); 
if (updateDisplayIfNeeded(cm, update)) { 
updateHeightsInViewport(cm); 
postUpdateDisplay(cm, update); 
var barMeasure = measureForScrollbars(cm); 
updateSelection(cm); 
setDocumentHeight(cm, barMeasure); 
updateScrollbars(cm, barMeasure); 
update.finish(); 
} 
} 
function setDocumentHeight(cm, measure){ 
cm.display.sizer.style.minHeight = measure.docHeight + "px"; 
var total = measure.docHeight + cm.display.barHeight; 
cm.display.heightForcer.style.top = total + "px"; 
cm.display.gutters.style.height = Math.max(total + scrollGap(cm), measure.clientHeight) + "px"; 
} 
function updateHeightsInViewport(cm){ 
var display = cm.display; 
var prevBottom = display.lineDiv.offsetTop; 
for (var i = 0; 
i < _AN_Read_length("length", display.view); i++ ){ 
var cur = display.view[i], height; 
if (cur.hidden) continue ; 
if (ie && ie_version < 8) { 
var bot = cur.node.offsetTop + cur.node.offsetHeight; 
height = bot - prevBottom; 
prevBottom = bot; 
} 
 else { 
var box = cur.node.getBoundingClientRect(); 
height = box.bottom - box.top; 
} 
var diff = cur.line.height - height; 
if (height < 2) height = textHeight(display); 
if (diff > 0.001 || diff < -0.001) { 
updateLineHeight(cur.line, height); 
updateWidgetHeight(cur.line); 
if (cur.rest) for (var j = 0; 
j < _AN_Read_length("length", cur.rest); j++ )updateWidgetHeight(cur.rest[j]); 
} 
} 
} 
function updateWidgetHeight(line){ 
if (line.widgets) for (var i = 0; 
i < _AN_Read_length("length", line.widgets); ++i)line.widgets[i].height = line.widgets[i].node.offsetHeight; 
} 
function getDimensions(cm){ 
var d = cm.display, left = { 
}
, width = { 
}
; 
var gutterLeft = d.gutters.clientLeft; 
for (var n = d.gutters.firstChild, i = 0; 
n; n = n.nextSibling, ++i){ 
left[cm.options.gutters[i]] = n.offsetLeft + n.clientLeft + gutterLeft; 
width[cm.options.gutters[i]] = n.clientWidth; 
} 
return { 
fixedPos: compensateForHScroll(d),
gutterTotalWidth: d.gutters.offsetWidth,
gutterLeft: left,
gutterWidth: width,
wrapperWidth: d.wrapper.clientWidth}
; 
} 
function patchDisplay(cm, updateNumbersFrom, dims){ 
var display = cm.display, lineNumbers = cm.options.lineNumbers; 
var container = display.lineDiv, cur = container.firstChild; 
function rm(node){ 
var next = node.nextSibling; 
if (webkit && mac && cm.display.currentWheelTarget == node) node.style.display = "none"; 
 else node.parentNode.removeChild(node); 
return next; 
} 
var view = display.view, lineN = display.viewFrom; 
for (var i = 0; 
i < _AN_Read_length("length", view); i++ ){ 
var lineView = view[i]; 
if (lineView.hidden) { 
} 
 else if (!lineView.node || lineView.node.parentNode != container) { 
var node = buildLineElement(cm, lineView, lineN, dims); 
container.insertBefore(node, cur); 
} 
 else { 
while (cur != lineView.node)cur = rm(cur); 
var updateNumber = lineNumbers && updateNumbersFrom != null  && updateNumbersFrom <= lineN && lineView.lineNumber; 
if (lineView.changes) { 
if (indexOf(lineView.changes, "gutter") > -1) updateNumber = false ; 
updateLineForChanges(cm, lineView, lineN, dims); 
} 
if (updateNumber) { 
removeChildren(lineView.lineNumber); 
_AN_Call_appendchild("appendChild", lineView.lineNumber, document.createTextNode(lineNumberFor(cm.options, lineN))); 
} 
cur = lineView.node.nextSibling; 
} 
lineN += lineView.size; 
} 
while (cur)cur = rm(cur); 
} 
function updateLineForChanges(cm, lineView, lineN, dims){ 
for (var j = 0; 
j < _AN_Read_length("length", lineView.changes); j++ ){ 
var type = lineView.changes[j]; 
if (type == "text") updateLineText(cm, lineView); 
 else if (type == "gutter") updateLineGutter(cm, lineView, lineN, dims); 
 else if (type == "class") updateLineClasses(lineView); 
 else if (type == "widget") updateLineWidgets(cm, lineView, dims); 
} 
lineView.changes = null ; 
} 
function ensureLineWrapped(lineView){ 
if (lineView.node == lineView.text) { 
lineView.node = elt("div", null , null , "position: relative"); 
if (lineView.text.parentNode) lineView.text.parentNode.replaceChild(lineView.node, lineView.text); 
_AN_Call_appendchild("appendChild", lineView.node, lineView.text); 
if (ie && ie_version < 8) lineView.node.style.zIndex = 2; 
} 
return lineView.node; 
} 
function updateLineBackground(lineView){ 
var cls = lineView.bgClass? lineView.bgClass + " " + (lineView.line.bgClass || ""): lineView.line.bgClass; 
if (cls) cls += " CodeMirror-linebackground"; 
if (lineView.background) { 
if (cls) _AN_Read_background("background", lineView).className = cls; 
 else { 
_AN_Read_background("background", lineView).parentNode.removeChild(_AN_Read_background("background", lineView)); 
_AN_Write_background("background", lineView, false , null ); 
} 
} 
 else if (cls) { 
var wrap = ensureLineWrapped(lineView); 
_AN_Write_background("background", lineView, false , wrap.insertBefore(elt("div", null , cls), wrap.firstChild)); 
} 
} 
function getLineContent(cm, lineView){ 
var ext = cm.display.externalMeasured; 
if (ext && ext.line == lineView.line) { 
cm.display.externalMeasured = null ; 
lineView.measure = ext.measure; 
return ext.built; 
} 
return buildLineContent(cm, lineView); 
} 
function updateLineText(cm, lineView){ 
var cls = lineView.text.className; 
var built = getLineContent(cm, lineView); 
if (lineView.text == lineView.node) lineView.node = built.pre; 
lineView.text.parentNode.replaceChild(built.pre, lineView.text); 
_AN_Write_text("text", lineView, false , built.pre); 
if (built.bgClass != lineView.bgClass || built.textClass != lineView.textClass) { 
lineView.bgClass = built.bgClass; 
lineView.textClass = built.textClass; 
updateLineClasses(lineView); 
} 
 else if (cls) { 
lineView.text.className = cls; 
} 
} 
function updateLineClasses(lineView){ 
updateLineBackground(lineView); 
if (lineView.line.wrapClass) ensureLineWrapped(lineView).className = lineView.line.wrapClass; 
 else if (lineView.node != lineView.text) lineView.node.className = ""; 
var textClass = lineView.textClass? lineView.textClass + " " + (lineView.line.textClass || ""): lineView.line.textClass; 
lineView.text.className = textClass || ""; 
} 
function updateLineGutter(cm, lineView, lineN, dims){ 
if (lineView.gutter) { 
lineView.node.removeChild(lineView.gutter); 
lineView.gutter = null ; 
} 
var markers = lineView.line.gutterMarkers; 
if (cm.options.lineNumbers || markers) { 
var wrap = ensureLineWrapped(lineView); 
var gutterWrap = lineView.gutter = elt("div", null , "CodeMirror-gutter-wrapper", "left: " + (cm.options.fixedGutter? dims.fixedPos: - dims.gutterTotalWidth) + "px; width: " + dims.gutterTotalWidth + "px"); 
cm.display.input.setUneditable(gutterWrap); 
wrap.insertBefore(gutterWrap, lineView.text); 
if (lineView.line.gutterClass) gutterWrap.className += " " + lineView.line.gutterClass; 
if (cm.options.lineNumbers && (!markers || !markers["CodeMirror-linenumbers"] )) lineView.lineNumber = _AN_Call_appendchild("appendChild", gutterWrap, elt("div", lineNumberFor(cm.options, lineN), "CodeMirror-linenumber CodeMirror-gutter-elt", "left: " + dims.gutterLeft["CodeMirror-linenumbers"]  + "px; width: " + cm.display.lineNumInnerWidth + "px")); 
if (markers) for (var k = 0; 
k < _AN_Read_length("length", cm.options.gutters); ++k){ 
var id = cm.options.gutters[k], found = markers.hasOwnProperty(id) && markers[id]; 
if (found) _AN_Call_appendchild("appendChild", gutterWrap, elt("div", [found] , "CodeMirror-gutter-elt", "left: " + dims.gutterLeft[id] + "px; width: " + dims.gutterWidth[id] + "px")); 
} 
} 
} 
function updateLineWidgets(cm, lineView, dims){ 
if (lineView.alignable) lineView.alignable = null ; 
for (var node = lineView.node.firstChild, next; 
node; node = next){ 
var next = node.nextSibling; 
if (node.className == "CodeMirror-linewidget") lineView.node.removeChild(node); 
} 
insertLineWidgets(cm, lineView, dims); 
} 
function buildLineElement(cm, lineView, lineN, dims){ 
var built = getLineContent(cm, lineView); 
_AN_Write_text("text", lineView, false , lineView.node = built.pre); 
if (built.bgClass) lineView.bgClass = built.bgClass; 
if (built.textClass) lineView.textClass = built.textClass; 
updateLineClasses(lineView); 
updateLineGutter(cm, lineView, lineN, dims); 
insertLineWidgets(cm, lineView, dims); 
return lineView.node; 
} 
function insertLineWidgets(cm, lineView, dims){ 
insertLineWidgetsFor(cm, lineView.line, lineView, dims, true ); 
if (lineView.rest) for (var i = 0; 
i < _AN_Read_length("length", lineView.rest); i++ )insertLineWidgetsFor(cm, lineView.rest[i], lineView, dims, false ); 
} 
function insertLineWidgetsFor(cm, line, lineView, dims, allowAbove){ 
if (!line.widgets) return ; 
var wrap = ensureLineWrapped(lineView); 
for (var i = 0, ws = line.widgets; 
i < _AN_Read_length("length", ws); ++i){ 
var widget = ws[i], node = elt("div", [widget.node] , "CodeMirror-linewidget"); 
if (!widget.handleMouseEvents) _AN_Call_setattribute("setAttribute", node, "cm-ignore-events", "true"); 
positionLineWidget(widget, node, lineView, dims); 
cm.display.input.setUneditable(node); 
if (allowAbove && widget.above) wrap.insertBefore(node, lineView.gutter || lineView.text); 
 else _AN_Call_appendchild("appendChild", wrap, node); 
signalLater(widget, "redraw"); 
} 
} 
function positionLineWidget(widget, node, lineView, dims){ 
if (widget.noHScroll) { 
(lineView.alignable || (lineView.alignable = [] )).push(node); 
var width = dims.wrapperWidth; 
node.style.left = dims.fixedPos + "px"; 
if (!widget.coverGutter) { 
width -= dims.gutterTotalWidth; 
node.style.paddingLeft = dims.gutterTotalWidth + "px"; 
} 
node.style.width = width + "px"; 
} 
if (widget.coverGutter) { 
node.style.zIndex = 5; 
node.style.position = "relative"; 
if (!widget.noHScroll) node.style.marginLeft = - dims.gutterTotalWidth + "px"; 
} 
} 
var Pos = CodeMirror.Pos = function (line, ch){ 
if (!(this instanceof Pos)) return new Pos(line, ch); 
this.line = line; 
this.ch = ch; 
} 
; 
var cmp = CodeMirror.cmpPos = function (a, b){ 
return a.line - b.line || a.ch - b.ch; 
} 
; 
function copyPos(x){ 
return Pos(x.line, x.ch); 
} 
function maxPos(a, b){ 
return cmp(a, b) < 0? b: a; 
} 
function minPos(a, b){ 
return cmp(a, b) < 0? a: b; 
} 
function ensureFocus(cm){ 
if (!cm.state.focused) { 
cm.display.input.focus(); 
onFocus(cm); 
} 
} 
function isReadOnly(cm){ 
return cm.options.readOnly || cm.doc.cantEdit; 
} 
var lastCopied = null ; 
function applyTextInput(cm, inserted, deleted, sel){ 
var doc = cm.doc; 
cm.display.shift = false ; 
if (!sel) sel = doc.sel; 
var textLines = splitLines(inserted), multiPaste = null ; 
if (cm.state.pasteIncoming && _AN_Read_length("length", sel.ranges) > 1) { 
if (lastCopied && lastCopied.join("\n") == inserted) multiPaste = _AN_Read_length("length", sel.ranges) % _AN_Read_length("length", lastCopied) == 0 && map(lastCopied, splitLines); 
 else if (_AN_Read_length("length", textLines) == _AN_Read_length("length", sel.ranges)) multiPaste = map(textLines, function (l){ 
return [l] ; 
} 
); 
} 
for (var i = _AN_Read_length("length", sel.ranges) - 1; 
i >= 0; i-- ){ 
var range = sel.ranges[i]; 
var from = range.from(), to = range.to(); 
if (range.empty()) { 
if (deleted && deleted > 0) from = Pos(from.line, from.ch - deleted); 
 else if (cm.state.overwrite && !cm.state.pasteIncoming) to = Pos(to.line, Math.min(_AN_Read_length("length", getLine(doc, to.line).text), to.ch + _AN_Read_length("length", lst(textLines)))); 
} 
var updateInput = cm.curOp.updateInput; 
var changeEvent = { 
from: from,
to: to,
text: multiPaste? multiPaste[i % _AN_Read_length("length", multiPaste)]: textLines,
origin: cm.state.pasteIncoming? "paste": cm.state.cutIncoming? "cut": "+input"}
; 
makeChange(cm.doc, changeEvent); 
signalLater(cm, "inputRead", cm, changeEvent); 
if (inserted && !cm.state.pasteIncoming && cm.options.electricChars && cm.options.smartIndent && range.head.ch < 100 && (!i || sel.ranges[i - 1].head.line != range.head.line)) { 
var mode = cm.getModeAt(range.head); 
var end = changeEnd(changeEvent); 
if (mode.electricChars) { 
for (var j = 0; 
j < _AN_Read_length("length", mode.electricChars); j++ )if (inserted.indexOf(mode.electricChars.charAt(j)) > -1) { 
indentLine(cm, end.line, "smart"); 
break ; 
} 
} 
 else if (mode.electricInput) { 
if (mode.electricInput.test(getLine(doc, end.line).text.slice(0, end.ch))) indentLine(cm, end.line, "smart"); 
} 
} 
} 
ensureCursorVisible(cm); 
cm.curOp.updateInput = updateInput; 
cm.curOp.typing = true ; 
cm.state.pasteIncoming = cm.state.cutIncoming = false ; 
} 
function copyableRanges(cm){ 
var text = [] , ranges = [] ; 
for (var i = 0; 
i < _AN_Read_length("length", cm.doc.sel.ranges); i++ ){ 
var line = cm.doc.sel.ranges[i].head.line; 
var lineRange = { 
anchor: Pos(line, 0),
head: Pos(line + 1, 0)}
; 
ranges.push(lineRange); 
text.push(cm.getRange(lineRange.anchor, lineRange.head)); 
} 
return { 
text: text,
ranges: ranges}
; 
} 
function disableBrowserMagic(field){ 
_AN_Call_setattribute("setAttribute", field, "autocorrect", "off"); 
_AN_Call_setattribute("setAttribute", field, "autocapitalize", "off"); 
_AN_Call_setattribute("setAttribute", field, "spellcheck", "false"); 
} 
function TextareaInput(cm){ 
this.cm = cm; 
this.prevInput = ""; 
this.pollingFast = false ; 
this.polling = new Delayed(); 
this.inaccurateSelection = false ; 
this.hasSelection = false ; 
} 
; 
function hiddenTextarea(){ 
var te = elt("textarea", null , null , "position: absolute; padding: 0; width: 1px; height: 1em; outline: none"); 
var div = elt("div", [te] , null , "overflow: hidden; position: relative; width: 3px; height: 0px;"); 
if (webkit) te.style.width = "1000px"; 
 else _AN_Call_setattribute("setAttribute", te, "wrap", "off"); 
if (ios) te.style.border = "1px solid black"; 
disableBrowserMagic(te); 
return div; 
} 
TextareaInput.prototype = copyObj({ 
init: function (display){ 
var input = this, cm = this.cm; 
var div = this.wrapper = hiddenTextarea(); 
var te = this.textarea = div.firstChild; 
display.wrapper.insertBefore(div, display.wrapper.firstChild); 
if (ios) te.style.width = "0px"; 
on(te, "input", function (){ 
if (ie && ie_version >= 9 && input.hasSelection) input.hasSelection = null ; 
input.poll(); 
} 
); 
on(te, "paste", function (){ 
if (webkit && !cm.state.fakedLastChar && !(new Date() - cm.state.lastMiddleDown < 200)) { 
var start = te.selectionStart, end = te.selectionEnd; 
te.value += "$"; 
te.selectionEnd = end; 
te.selectionStart = start; 
cm.state.fakedLastChar = true ; 
} 
cm.state.pasteIncoming = true ; 
input.fastPoll(); 
} 
); 
function prepareCopyCut(e){ 
if (cm.somethingSelected()) { 
lastCopied = cm.getSelections(); 
if (input.inaccurateSelection) { 
input.prevInput = ""; 
input.inaccurateSelection = false ; 
te.value = lastCopied.join("\n"); 
selectInput(te); 
} 
} 
 else { 
var ranges = copyableRanges(cm); 
lastCopied = ranges.text; 
if (e.type == "cut") { 
cm.setSelections(ranges.ranges, null , sel_dontScroll); 
} 
 else { 
input.prevInput = ""; 
te.value = ranges.text.join("\n"); 
selectInput(te); 
} 
} 
if (e.type == "cut") cm.state.cutIncoming = true ; 
} 
on(te, "cut", prepareCopyCut); 
on(te, "copy", prepareCopyCut); 
on(display.scroller, "paste", function (e){ 
if (eventInWidget(display, e)) return ; 
cm.state.pasteIncoming = true ; 
input.focus(); 
} 
); 
on(display.lineSpace, "selectstart", function (e){ 
if (!eventInWidget(display, e)) e_preventDefault(e); 
} 
); 
} 
,
prepareSelection: function (){ 
var cm = this.cm, display = cm.display, doc = cm.doc; 
var result = prepareSelection(cm); 
if (cm.options.moveInputWithCursor) { 
var headPos = cursorCoords(cm, doc.sel.primary().head, "div"); 
var wrapOff = display.wrapper.getBoundingClientRect(), lineOff = display.lineDiv.getBoundingClientRect(); 
result.teTop = Math.max(0, Math.min(display.wrapper.clientHeight - 10, headPos.top + lineOff.top - wrapOff.top)); 
result.teLeft = Math.max(0, Math.min(display.wrapper.clientWidth - 10, headPos.left + lineOff.left - wrapOff.left)); 
} 
return result; 
} 
,
showSelection: function (drawn){ 
var cm = this.cm, display = cm.display; 
removeChildrenAndAdd(display.cursorDiv, drawn.cursors); 
removeChildrenAndAdd(display.selectionDiv, drawn.selection); 
if (drawn.teTop != null ) { 
this.wrapper.style.top = drawn.teTop + "px"; 
this.wrapper.style.left = drawn.teLeft + "px"; 
} 
} 
,
reset: function (typing){ 
if (this.contextMenuPending) return ; 
var minimal, selected, cm = this.cm, doc = cm.doc; 
if (cm.somethingSelected()) { 
this.prevInput = ""; 
var range = doc.sel.primary(); 
minimal = hasCopyEvent && (range.to().line - range.from().line > 100 || _AN_Read_length("length", (selected = cm.getSelection())) > 1000); 
var content = minimal? "-": selected || cm.getSelection(); 
this.textarea.value = content; 
if (cm.state.focused) selectInput(this.textarea); 
if (ie && ie_version >= 9) this.hasSelection = content; 
} 
 else if (!typing) { 
this.prevInput = this.textarea.value = ""; 
if (ie && ie_version >= 9) this.hasSelection = null ; 
} 
this.inaccurateSelection = minimal; 
} 
,
getField: function (){ 
return this.textarea; 
} 
,
supportsTouch: function (){ 
return false ; 
} 
,
focus: function (){ 
if (this.cm.options.readOnly != "nocursor" && (!mobile || activeElt() != this.textarea)) { 
try { 
this.textarea.focus(); 
} 
catch (e) { 
} 
} 
} 
,
blur: function (){ 
this.textarea.blur(); 
} 
,
resetPosition: function (){ 
this.wrapper.style.top = this.wrapper.style.left = 0; 
} 
,
receivedFocus: function (){ 
this.slowPoll(); 
} 
,
slowPoll: function (){ 
var input = this; 
if (input.pollingFast) return ; 
input.polling.set(this.cm.options.pollInterval, function (){ 
input.poll(); 
if (input.cm.state.focused) input.slowPoll(); 
} 
); 
} 
,
fastPoll: function (){ 
var missed = false , input = this; 
input.pollingFast = true ; 
function p(){ 
var changed = input.poll(); 
if (!changed && !missed) { 
missed = true ; 
input.polling.set(60, p); 
} 
 else { 
input.pollingFast = false ; 
input.slowPoll(); 
} 
} 
input.polling.set(20, p); 
} 
,
poll: function (){ 
var cm = this.cm, input = this.textarea, prevInput = this.prevInput; 
if (!cm.state.focused || (hasSelection(input) && !prevInput) || isReadOnly(cm) || cm.options.disableInput || cm.state.keySeq) return false ; 
if (cm.state.pasteIncoming && cm.state.fakedLastChar) { 
input.value = input.value.substring(0, _AN_Read_length("length", input.value) - 1); 
cm.state.fakedLastChar = false ; 
} 
var text = input.value; 
if (text == prevInput && !cm.somethingSelected()) return false ; 
if (ie && ie_version >= 9 && this.hasSelection === text || mac && /[\uf700-\uf7ff]/.test(text)) { 
cm.display.input.reset(); 
return false ; 
} 
if (cm.doc.sel == cm.display.selForContextMenu) { 
var first = text.charCodeAt(0); 
if (first == 8203 && !prevInput) prevInput = "\u200b"; 
if (first == 8666) { 
this.reset(); 
return _AN_Call_execcommand("execCommand", this.cm, "undo"); 
} 
} 
var same = 0, l = Math.min(_AN_Read_length("length", prevInput), _AN_Read_length("length", text)); 
while (same < l && prevInput.charCodeAt(same) == text.charCodeAt(same))++same; 
var self = this; 
runInOp(cm, function (){ 
applyTextInput(cm, text.slice(same), _AN_Read_length("length", prevInput) - same); 
if (_AN_Read_length("length", text) > 1000 || text.indexOf("\n") > -1) input.value = self.prevInput = ""; 
 else self.prevInput = text; 
} 
); 
return true ; 
} 
,
ensurePolled: function (){ 
if (this.pollingFast && this.poll()) this.pollingFast = false ; 
} 
,
onKeyPress: function (){ 
if (ie && ie_version >= 9) this.hasSelection = null ; 
this.fastPoll(); 
} 
,
onContextMenu: function (e){ 
var input = this, cm = input.cm, display = cm.display, te = input.textarea; 
var pos = posFromMouse(cm, e), scrollPos = display.scroller.scrollTop; 
if (!pos || presto) return ; 
var reset = cm.options.resetSelectionOnContextMenu; 
if (reset && cm.doc.sel.contains(pos) == -1) operation(cm, setSelection)(cm.doc, simpleSelection(pos), sel_dontScroll); 
var oldCSS = _AN_Read_csstext("cssText", te.style); 
input.wrapper.style.position = "absolute"; 
_AN_Write_csstext("cssText", te.style, false , "position: fixed; width: 30px; height: 30px; top: " + (e.clientY - 5) + "px; left: " + (e.clientX - 5) + "px; z-index: 1000; background: " + (ie? "rgba(255, 255, 255, .05)": "transparent") + "; outline: none; border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);"); 
if (webkit) var oldScrollY = window.scrollY; 
display.input.focus(); 
if (webkit) window.scrollTo(null , oldScrollY); 
display.input.reset(); 
if (!cm.somethingSelected()) te.value = input.prevInput = " "; 
input.contextMenuPending = true ; 
display.selForContextMenu = cm.doc.sel; 
clearTimeout(display.detectingSelectAll); 
function prepareSelectAllHack(){ 
if (te.selectionStart != null ) { 
var selected = cm.somethingSelected(); 
var extval = "\u200b" + (selected? te.value: ""); 
te.value = "\u21da"; 
te.value = extval; 
input.prevInput = selected? "": "\u200b"; 
te.selectionStart = 1; 
te.selectionEnd = _AN_Read_length("length", extval); 
display.selForContextMenu = cm.doc.sel; 
} 
} 
function rehide(){ 
input.contextMenuPending = false ; 
input.wrapper.style.position = "relative"; 
_AN_Write_csstext("cssText", te.style, false , oldCSS); 
if (ie && ie_version < 9) display.scrollbars.setScrollTop(display.scroller.scrollTop = scrollPos); 
if (te.selectionStart != null ) { 
if (!ie || (ie && ie_version < 9)) prepareSelectAllHack(); 
var i = 0, poll = function (){ 
if (display.selForContextMenu == cm.doc.sel && te.selectionStart == 0 && te.selectionEnd > 0 && input.prevInput == "\u200b") operation(cm, commands.selectAll)(cm); 
 else if (i++  < 10) display.detectingSelectAll = _AN_Call_settimeout("setTimeout", window, poll, 500); 
 else display.input.reset(); 
} 
; 
display.detectingSelectAll = _AN_Call_settimeout("setTimeout", window, poll, 200); 
} 
} 
if (ie && ie_version >= 9) prepareSelectAllHack(); 
if (captureRightClick) { 
e_stop(e); 
var mouseup = function (){ 
off(window, "mouseup", mouseup); 
_AN_Call_settimeout("setTimeout", window, rehide, 20); 
} 
; 
on(window, "mouseup", mouseup); 
} 
 else { 
_AN_Call_settimeout("setTimeout", window, rehide, 50); 
} 
} 
,
setUneditable: nothing,
needsContentAttribute: false }
, TextareaInput.prototype); 
function ContentEditableInput(cm){ 
this.cm = cm; 
this.lastAnchorNode = this.lastAnchorOffset = this.lastFocusNode = this.lastFocusOffset = null ; 
this.polling = new Delayed(); 
this.gracePeriod = false ; 
} 
ContentEditableInput.prototype = copyObj({ 
init: function (display){ 
var input = this, cm = input.cm; 
var div = input.div = display.lineDiv; 
div.contentEditable = "true"; 
disableBrowserMagic(div); 
on(div, "paste", function (e){ 
var pasted = e.clipboardData && e.clipboardData.getData("text/plain"); 
if (pasted) { 
e.preventDefault(); 
cm.replaceSelection(pasted, null , "paste"); 
} 
} 
); 
on(div, "compositionstart", function (e){ 
var data = e.data; 
input.composing = { 
sel: cm.doc.sel,
data: data,
startData: data}
; 
if (!data) return ; 
var prim = cm.doc.sel.primary(); 
var line = cm.getLine(prim.head.line); 
var found = line.indexOf(data, Math.max(0, prim.head.ch - _AN_Read_length("length", data))); 
if (found > -1 && found <= prim.head.ch) input.composing.sel = simpleSelection(Pos(prim.head.line, found), Pos(prim.head.line, found + _AN_Read_length("length", data))); 
} 
); 
on(div, "compositionupdate", function (e){ 
input.composing.data = e.data; 
} 
); 
on(div, "compositionend", function (e){ 
var ours = input.composing; 
if (!ours) return ; 
if (e.data != ours.startData && !/\u200b/.test(e.data)) ours.data = e.data; 
_AN_Call_settimeout("setTimeout", window, function (){ 
if (!ours.handled) input.applyComposition(ours); 
if (input.composing == ours) input.composing = null ; 
} 
, 50); 
} 
); 
on(div, "touchstart", function (){ 
input.forceCompositionEnd(); 
} 
); 
on(div, "input", function (){ 
if (input.composing) return ; 
if (!input.pollContent()) runInOp(input.cm, function (){ 
regChange(cm); 
} 
); 
} 
); 
function onCopyCut(e){ 
if (cm.somethingSelected()) { 
lastCopied = cm.getSelections(); 
if (e.type == "cut") cm.replaceSelection("", null , "cut"); 
} 
 else { 
var ranges = copyableRanges(cm); 
lastCopied = ranges.text; 
if (e.type == "cut") { 
cm.operation(function (){ 
cm.setSelections(ranges.ranges, 0, sel_dontScroll); 
cm.replaceSelection("", null , "cut"); 
} 
); 
} 
} 
if (e.clipboardData && !ios) { 
e.preventDefault(); 
e.clipboardData.clearData(); 
e.clipboardData.setData("text/plain", lastCopied.join("\n")); 
} 
 else { 
var kludge = hiddenTextarea(), te = kludge.firstChild; 
cm.display.lineSpace.insertBefore(kludge, cm.display.lineSpace.firstChild); 
te.value = lastCopied.join("\n"); 
var hadFocus = document.activeElement; 
selectInput(te); 
_AN_Call_settimeout("setTimeout", window, function (){ 
cm.display.lineSpace.removeChild(kludge); 
hadFocus.focus(); 
} 
, 50); 
} 
} 
on(div, "copy", onCopyCut); 
on(div, "cut", onCopyCut); 
} 
,
prepareSelection: function (){ 
var result = prepareSelection(this.cm, false ); 
result.focus = this.cm.state.focused; 
return result; 
} 
,
showSelection: function (info){ 
if (!info || !_AN_Read_length("length", this.cm.display.view)) return ; 
if (info.focus) this.showPrimarySelection(); 
this.showMultipleSelections(info); 
} 
,
showPrimarySelection: function (){ 
var sel = window.getSelection(), prim = this.cm.doc.sel.primary(); 
var curAnchor = domToPos(this.cm, sel.anchorNode, sel.anchorOffset); 
var curFocus = domToPos(this.cm, sel.focusNode, sel.focusOffset); 
if (curAnchor && !curAnchor.bad && curFocus && !curFocus.bad && cmp(minPos(curAnchor, curFocus), prim.from()) == 0 && cmp(maxPos(curAnchor, curFocus), prim.to()) == 0) return ; 
var start = posToDOM(this.cm, prim.from()); 
var end = posToDOM(this.cm, prim.to()); 
if (!start && !end) return ; 
var view = this.cm.display.view; 
var old = sel.rangeCount && sel.getRangeAt(0); 
if (!start) { 
start = { 
node: view[0].measure.map[2],
offset: 0}
; 
} 
 else if (!end) { 
var measure = view[_AN_Read_length("length", view) - 1].measure; 
var map = measure.maps? measure.maps[_AN_Read_length("length", measure.maps) - 1]: measure.map; 
end = { 
node: map[_AN_Read_length("length", map) - 1],
offset: map[_AN_Read_length("length", map) - 2] - map[_AN_Read_length("length", map) - 3]}
; 
} 
try { 
var rng = range(start.node, start.offset, end.offset, end.node); 
} 
catch (e) { 
} 
if (rng) { 
sel.removeAllRanges(); 
sel.addRange(rng); 
if (old && sel.anchorNode == null ) sel.addRange(old); 
 else if (gecko) this.startGracePeriod(); 
} 
this.rememberSelection(); 
} 
,
startGracePeriod: function (){ 
var input = this; 
clearTimeout(this.gracePeriod); 
this.gracePeriod = _AN_Call_settimeout("setTimeout", window, function (){ 
input.gracePeriod = false ; 
if (input.selectionChanged()) input.cm.operation(function (){ 
input.cm.curOp.selectionChanged = true ; 
} 
); 
} 
, 20); 
} 
,
showMultipleSelections: function (info){ 
removeChildrenAndAdd(this.cm.display.cursorDiv, info.cursors); 
removeChildrenAndAdd(this.cm.display.selectionDiv, info.selection); 
} 
,
rememberSelection: function (){ 
var sel = window.getSelection(); 
this.lastAnchorNode = sel.anchorNode; 
this.lastAnchorOffset = sel.anchorOffset; 
this.lastFocusNode = sel.focusNode; 
this.lastFocusOffset = sel.focusOffset; 
} 
,
selectionInEditor: function (){ 
var sel = window.getSelection(); 
if (!sel.rangeCount) return false ; 
var node = sel.getRangeAt(0).commonAncestorContainer; 
return contains(this.div, node); 
} 
,
focus: function (){ 
if (this.cm.options.readOnly != "nocursor") this.div.focus(); 
} 
,
blur: function (){ 
this.div.blur(); 
} 
,
getField: function (){ 
return this.div; 
} 
,
supportsTouch: function (){ 
return true ; 
} 
,
receivedFocus: function (){ 
var input = this; 
if (this.selectionInEditor()) this.pollSelection(); 
 else runInOp(this.cm, function (){ 
input.cm.curOp.selectionChanged = true ; 
} 
); 
function poll(){ 
if (input.cm.state.focused) { 
input.pollSelection(); 
input.polling.set(input.cm.options.pollInterval, poll); 
} 
} 
this.polling.set(this.cm.options.pollInterval, poll); 
} 
,
selectionChanged: function (){ 
var sel = window.getSelection(); 
return sel.anchorNode != this.lastAnchorNode || sel.anchorOffset != this.lastAnchorOffset || sel.focusNode != this.lastFocusNode || sel.focusOffset != this.lastFocusOffset; 
} 
,
pollSelection: function (){ 
if (!this.composing && !this.gracePeriod && this.selectionChanged()) { 
var sel = window.getSelection(), cm = this.cm; 
this.rememberSelection(); 
var anchor = domToPos(cm, sel.anchorNode, sel.anchorOffset); 
var head = domToPos(cm, sel.focusNode, sel.focusOffset); 
if (anchor && head) runInOp(cm, function (){ 
setSelection(cm.doc, simpleSelection(anchor, head), sel_dontScroll); 
if (anchor.bad || head.bad) cm.curOp.selectionChanged = true ; 
} 
); 
} 
} 
,
pollContent: function (){ 
var cm = this.cm, display = cm.display, sel = cm.doc.sel.primary(); 
var from = sel.from(), to = sel.to(); 
if (from.line < display.viewFrom || to.line > display.viewTo - 1) return false ; 
var fromIndex; 
if (from.line == display.viewFrom || (fromIndex = findViewIndex(cm, from.line)) == 0) { 
var fromLine = lineNo(display.view[0].line); 
var fromNode = display.view[0].node; 
} 
 else { 
var fromLine = lineNo(display.view[fromIndex].line); 
var fromNode = display.view[fromIndex - 1].node.nextSibling; 
} 
var toIndex = findViewIndex(cm, to.line); 
if (toIndex == _AN_Read_length("length", display.view) - 1) { 
var toLine = display.viewTo - 1; 
var toNode = display.view[toIndex].node; 
} 
 else { 
var toLine = lineNo(display.view[toIndex + 1].line) - 1; 
var toNode = display.view[toIndex + 1].node.previousSibling; 
} 
var newText = splitLines(domTextBetween(cm, fromNode, toNode, fromLine, toLine)); 
var oldText = getBetween(cm.doc, Pos(fromLine, 0), Pos(toLine, _AN_Read_length("length", getLine(cm.doc, toLine).text))); 
while (_AN_Read_length("length", newText) > 1 && _AN_Read_length("length", oldText) > 1){ 
if (lst(newText) == lst(oldText)) { 
newText.pop(); 
oldText.pop(); 
toLine-- ; 
} 
 else if (newText[0] == oldText[0]) { 
newText.shift(); 
oldText.shift(); 
fromLine++ ; 
} 
 else break ; 
} 
var cutFront = 0, cutEnd = 0; 
var newTop = newText[0], oldTop = oldText[0], maxCutFront = Math.min(_AN_Read_length("length", newTop), _AN_Read_length("length", oldTop)); 
while (cutFront < maxCutFront && newTop.charCodeAt(cutFront) == oldTop.charCodeAt(cutFront))++cutFront; 
var newBot = lst(newText), oldBot = lst(oldText); 
var maxCutEnd = Math.min(_AN_Read_length("length", newBot) - (_AN_Read_length("length", newText) == 1? cutFront: 0), _AN_Read_length("length", oldBot) - (_AN_Read_length("length", oldText) == 1? cutFront: 0)); 
while (cutEnd < maxCutEnd && newBot.charCodeAt(_AN_Read_length("length", newBot) - cutEnd - 1) == oldBot.charCodeAt(_AN_Read_length("length", oldBot) - cutEnd - 1))++cutEnd; 
newText[_AN_Read_length("length", newText) - 1] = newBot.slice(0, _AN_Read_length("length", newBot) - cutEnd); 
newText[0] = newText[0].slice(cutFront); 
var chFrom = Pos(fromLine, cutFront); 
var chTo = Pos(toLine, _AN_Read_length("length", oldText)? _AN_Read_length("length", lst(oldText)) - cutEnd: 0); 
if (_AN_Read_length("length", newText) > 1 || newText[0] || cmp(chFrom, chTo)) { 
replaceRange(cm.doc, newText, chFrom, chTo, "+input"); 
return true ; 
} 
} 
,
ensurePolled: function (){ 
this.forceCompositionEnd(); 
} 
,
reset: function (){ 
this.forceCompositionEnd(); 
} 
,
forceCompositionEnd: function (){ 
if (!this.composing || this.composing.handled) return ; 
this.applyComposition(this.composing); 
this.composing.handled = true ; 
this.div.blur(); 
this.div.focus(); 
} 
,
applyComposition: function (composing){ 
if (composing.data && composing.data != composing.startData) operation(this.cm, applyTextInput)(this.cm, composing.data, 0, composing.sel); 
} 
,
setUneditable: function (node){ 
_AN_Call_setattribute("setAttribute", node, "contenteditable", "false"); 
} 
,
onKeyPress: function (e){ 
e.preventDefault(); 
operation(this.cm, applyTextInput)(this.cm, String.fromCharCode(e.charCode == null ? e.keyCode: e.charCode), 0); 
} 
,
onContextMenu: nothing,
resetPosition: nothing,
needsContentAttribute: true }
, ContentEditableInput.prototype); 
function posToDOM(cm, pos){ 
var view = findViewForLine(cm, pos.line); 
if (!view || view.hidden) return null ; 
var line = getLine(cm.doc, pos.line); 
var info = mapFromLineView(view, line, pos.line); 
var order = getOrder(line), side = "left"; 
if (order) { 
var partPos = getBidiPartAt(order, pos.ch); 
side = partPos % 2? "right": "left"; 
} 
var result = nodeAndOffsetInLineMap(info.map, pos.ch, "left"); 
result.offset = result.collapse == "right"? result.end: result.start; 
return result; 
} 
function badPos(pos, bad){ 
if (bad) pos.bad = true ; 
return pos; 
} 
function domToPos(cm, node, offset){ 
var lineNode; 
if (node == cm.display.lineDiv) { 
lineNode = cm.display.lineDiv.childNodes[offset]; 
if (!lineNode) return badPos(cm.clipPos(Pos(cm.display.viewTo - 1)), true ); 
node = null ; 
offset = 0; 
} 
 else { 
for (lineNode = node; ; lineNode = lineNode.parentNode){ 
if (!lineNode || lineNode == cm.display.lineDiv) return null ; 
if (lineNode.parentNode && lineNode.parentNode == cm.display.lineDiv) break ; 
} 
} 
for (var i = 0; 
i < _AN_Read_length("length", cm.display.view); i++ ){ 
var lineView = cm.display.view[i]; 
if (lineView.node == lineNode) return locateNodeInLineView(lineView, node, offset); 
} 
} 
function locateNodeInLineView(lineView, node, offset){ 
var wrapper = lineView.text.firstChild, bad = false ; 
if (!node || !contains(wrapper, node)) return badPos(Pos(lineNo(lineView.line), 0), true ); 
if (node == wrapper) { 
bad = true ; 
node = wrapper.childNodes[offset]; 
offset = 0; 
if (!node) { 
var line = lineView.rest? lst(lineView.rest): lineView.line; 
return badPos(Pos(lineNo(line), _AN_Read_length("length", line.text)), bad); 
} 
} 
var textNode = node.nodeType == 3? node: null , topNode = node; 
if (!textNode && _AN_Read_length("length", node.childNodes) == 1 && node.firstChild.nodeType == 3) { 
textNode = node.firstChild; 
if (offset) offset = _AN_Read_length("length", _AN_Read_nodevalue("nodeValue", textNode)); 
} 
while (topNode.parentNode != wrapper)topNode = topNode.parentNode; 
var measure = lineView.measure, maps = measure.maps; 
function find(textNode, topNode, offset){ 
for (var i = -1; 
i < (maps? _AN_Read_length("length", maps): 0); i++ ){ 
var map = i < 0? measure.map: maps[i]; 
for (var j = 0; 
j < _AN_Read_length("length", map); j += 3){ 
var curNode = map[j + 2]; 
if (curNode == textNode || curNode == topNode) { 
var line = lineNo(i < 0? lineView.line: lineView.rest[i]); 
var ch = map[j] + offset; 
if (offset < 0 || curNode != textNode) ch = map[j + (offset? 1: 0)]; 
return Pos(line, ch); 
} 
} 
} 
} 
var found = find(textNode, topNode, offset); 
if (found) return badPos(found, bad); 
for (var after = topNode.nextSibling, dist = textNode? _AN_Read_length("length", _AN_Read_nodevalue("nodeValue", textNode)) - offset: 0; 
after; after = after.nextSibling){ 
found = find(after, after.firstChild, 0); 
if (found) return badPos(Pos(found.line, found.ch - dist), bad); 
 else dist += _AN_Read_length("length", after.textContent); 
} 
for (var before = topNode.previousSibling, dist = offset; 
before; before = before.previousSibling){ 
found = find(before, before.firstChild, -1); 
if (found) return badPos(Pos(found.line, found.ch + dist), bad); 
 else dist += _AN_Read_length("length", after.textContent); 
} 
} 
function domTextBetween(cm, from, to, fromLine, toLine){ 
var text = "", closing = false ; 
function recognizeMarker(id){ 
return function (marker){ 
return marker.id == id; 
} 
; 
} 
function walk(node){ 
if (node.nodeType == 1) { 
var cmText = _AN_Call_getattribute("getAttribute", node, "cm-text"); 
if (cmText != null ) { 
if (cmText == "") cmText = _AN_Call_replace("replace", node.textContent, /\u200b/g, ""); 
text += cmText; 
return ; 
} 
var markerID = _AN_Call_getattribute("getAttribute", node, "cm-marker"), range; 
if (markerID) { 
var found = cm.findMarks(Pos(fromLine, 0), Pos(toLine + 1, 0), recognizeMarker(+ markerID)); 
if (_AN_Read_length("length", found) && (range = found[0].find())) text += getBetween(cm.doc, range.from, range.to).join("\n"); 
return ; 
} 
if (_AN_Call_getattribute("getAttribute", node, "contenteditable") == "false") return ; 
for (var i = 0; 
i < _AN_Read_length("length", node.childNodes); i++ )walk(node.childNodes[i]); 
if (/^(pre|div|p)$/i.test(node.nodeName)) closing = true ; 
} 
 else if (node.nodeType == 3) { 
var val = _AN_Read_nodevalue("nodeValue", node); 
if (!val) return ; 
if (closing) { 
text += "\n"; 
closing = false ; 
} 
text += val; 
} 
} 
for (; ; ){ 
walk(from); 
if (from == to) break ; 
from = from.nextSibling; 
} 
return text; 
} 
CodeMirror.inputStyles = { 
"textarea": TextareaInput,
"contenteditable": ContentEditableInput}
; 
function Selection(ranges, primIndex){ 
this.ranges = ranges; 
this.primIndex = primIndex; 
} 
Selection.prototype = { 
primary: function (){ 
return this.ranges[this.primIndex]; 
} 
,
equals: function (other){ 
if (other == this) return true ; 
if (other.primIndex != this.primIndex || _AN_Read_length("length", other.ranges) != _AN_Read_length("length", this.ranges)) return false ; 
for (var i = 0; 
i < _AN_Read_length("length", this.ranges); i++ ){ 
var here = this.ranges[i], there = other.ranges[i]; 
if (cmp(here.anchor, there.anchor) != 0 || cmp(here.head, there.head) != 0) return false ; 
} 
return true ; 
} 
,
deepCopy: function (){ 
for (var out = [] , i = 0; 
i < _AN_Read_length("length", this.ranges); i++ )out[i] = new Range(copyPos(this.ranges[i].anchor), copyPos(this.ranges[i].head)); 
return new Selection(out, this.primIndex); 
} 
,
somethingSelected: function (){ 
for (var i = 0; 
i < _AN_Read_length("length", this.ranges); i++ )if (!this.ranges[i].empty()) return true ; 
return false ; 
} 
,
contains: function (pos, end){ 
if (!end) end = pos; 
for (var i = 0; 
i < _AN_Read_length("length", this.ranges); i++ ){ 
var range = this.ranges[i]; 
if (cmp(end, range.from()) >= 0 && cmp(pos, range.to()) <= 0) return i; 
} 
return -1; 
} 
}
; 
function Range(anchor, head){ 
this.anchor = anchor; 
this.head = head; 
} 
Range.prototype = { 
from: function (){ 
return minPos(this.anchor, this.head); 
} 
,
to: function (){ 
return maxPos(this.anchor, this.head); 
} 
,
empty: function (){ 
return this.head.line == this.anchor.line && this.head.ch == this.anchor.ch; 
} 
}
; 
function normalizeSelection(ranges, primIndex){ 
var prim = ranges[primIndex]; 
ranges.sort(function (a, b){ 
return cmp(a.from(), b.from()); 
} 
); 
primIndex = indexOf(ranges, prim); 
for (var i = 1; 
i < _AN_Read_length("length", ranges); i++ ){ 
var cur = ranges[i], prev = ranges[i - 1]; 
if (cmp(prev.to(), cur.from()) >= 0) { 
var from = minPos(prev.from(), cur.from()), to = maxPos(prev.to(), cur.to()); 
var inv = prev.empty()? cur.from() == cur.head: prev.from() == prev.head; 
if (i <= primIndex) --primIndex; 
ranges.splice(--i, 2, new Range(inv? to: from, inv? from: to)); 
} 
} 
return new Selection(ranges, primIndex); 
} 
function simpleSelection(anchor, head){ 
return new Selection([new Range(anchor, head || anchor)] , 0); 
} 
function clipLine(doc, n){ 
return Math.max(doc.first, Math.min(n, doc.first + doc.size - 1)); 
} 
function clipPos(doc, pos){ 
if (pos.line < doc.first) return Pos(doc.first, 0); 
var last = doc.first + doc.size - 1; 
if (pos.line > last) return Pos(last, _AN_Read_length("length", getLine(doc, last).text)); 
return clipToLen(pos, _AN_Read_length("length", getLine(doc, pos.line).text)); 
} 
function clipToLen(pos, linelen){ 
var ch = pos.ch; 
if (ch == null  || ch > linelen) return Pos(pos.line, linelen); 
 else if (ch < 0) return Pos(pos.line, 0); 
 else return pos; 
} 
function isLine(doc, l){ 
return l >= doc.first && l < doc.first + doc.size; 
} 
function clipPosArray(doc, array){ 
for (var out = [] , i = 0; 
i < _AN_Read_length("length", array); i++ )out[i] = clipPos(doc, array[i]); 
return out; 
} 
function extendRange(doc, range, head, other){ 
if (doc.cm && doc.cm.display.shift || doc.extend) { 
var anchor = range.anchor; 
if (other) { 
var posBefore = cmp(head, anchor) < 0; 
if (posBefore != (cmp(other, anchor) < 0)) { 
anchor = head; 
head = other; 
} 
 else if (posBefore != (cmp(head, other) < 0)) { 
head = other; 
} 
} 
return new Range(anchor, head); 
} 
 else { 
return new Range(other || head, head); 
} 
} 
function extendSelection(doc, head, other, options){ 
setSelection(doc, new Selection([extendRange(doc, doc.sel.primary(), head, other)] , 0), options); 
} 
function extendSelections(doc, heads, options){ 
for (var out = [] , i = 0; 
i < _AN_Read_length("length", doc.sel.ranges); i++ )out[i] = extendRange(doc, doc.sel.ranges[i], heads[i], null ); 
var newSel = normalizeSelection(out, doc.sel.primIndex); 
setSelection(doc, newSel, options); 
} 
function replaceOneSelection(doc, i, range, options){ 
var ranges = doc.sel.ranges.slice(0); 
ranges[i] = range; 
setSelection(doc, normalizeSelection(ranges, doc.sel.primIndex), options); 
} 
function setSimpleSelection(doc, anchor, head, options){ 
setSelection(doc, simpleSelection(anchor, head), options); 
} 
function filterSelectionChange(doc, sel){ 
var obj = { 
ranges: sel.ranges,
update: function (ranges){ 
this.ranges = [] ; 
for (var i = 0; 
i < _AN_Read_length("length", ranges); i++ )this.ranges[i] = new Range(clipPos(doc, ranges[i].anchor), clipPos(doc, ranges[i].head)); 
} 
}
; 
signal(doc, "beforeSelectionChange", doc, obj); 
if (doc.cm) signal(doc.cm, "beforeSelectionChange", doc.cm, obj); 
if (obj.ranges != sel.ranges) return normalizeSelection(obj.ranges, _AN_Read_length("length", obj.ranges) - 1); 
 else return sel; 
} 
function setSelectionReplaceHistory(doc, sel, options){ 
var done = doc.history.done, last = lst(done); 
if (last && last.ranges) { 
done[_AN_Read_length("length", done) - 1] = sel; 
setSelectionNoUndo(doc, sel, options); 
} 
 else { 
setSelection(doc, sel, options); 
} 
} 
function setSelection(doc, sel, options){ 
setSelectionNoUndo(doc, sel, options); 
addSelectionToHistory(doc, doc.sel, doc.cm? doc.cm.curOp.id: NaN, options); 
} 
function setSelectionNoUndo(doc, sel, options){ 
if (hasHandler(doc, "beforeSelectionChange") || doc.cm && hasHandler(doc.cm, "beforeSelectionChange")) sel = filterSelectionChange(doc, sel); 
var bias = options && options.bias || (cmp(sel.primary().head, doc.sel.primary().head) < 0? -1: 1); 
setSelectionInner(doc, skipAtomicInSelection(doc, sel, bias, true )); 
if (!(options && options.scroll === false ) && doc.cm) ensureCursorVisible(doc.cm); 
} 
function setSelectionInner(doc, sel){ 
if (sel.equals(doc.sel)) return ; 
doc.sel = sel; 
if (doc.cm) { 
doc.cm.curOp.updateInput = doc.cm.curOp.selectionChanged = true ; 
signalCursorActivity(doc.cm); 
} 
signalLater(doc, "cursorActivity", doc); 
} 
function reCheckSelection(doc){ 
setSelectionInner(doc, skipAtomicInSelection(doc, doc.sel, null , false ), sel_dontScroll); 
} 
function skipAtomicInSelection(doc, sel, bias, mayClear){ 
var out; 
for (var i = 0; 
i < _AN_Read_length("length", sel.ranges); i++ ){ 
var range = sel.ranges[i]; 
var newAnchor = skipAtomic(doc, range.anchor, bias, mayClear); 
var newHead = skipAtomic(doc, range.head, bias, mayClear); 
if (out || newAnchor != range.anchor || newHead != range.head) { 
if (!out) out = sel.ranges.slice(0, i); 
out[i] = new Range(newAnchor, newHead); 
} 
} 
return out? normalizeSelection(out, sel.primIndex): sel; 
} 
function skipAtomic(doc, pos, bias, mayClear){ 
var flipped = false , curPos = pos; 
var dir = bias || 1; 
doc.cantEdit = false ; 
search: for (; ; ){ 
var line = getLine(doc, curPos.line); 
if (line.markedSpans) { 
for (var i = 0; 
i < _AN_Read_length("length", line.markedSpans); ++i){ 
var sp = line.markedSpans[i], m = sp.marker; 
if ((sp.from == null  || (m.inclusiveLeft? sp.from <= curPos.ch: sp.from < curPos.ch)) && (sp.to == null  || (m.inclusiveRight? sp.to >= curPos.ch: sp.to > curPos.ch))) { 
if (mayClear) { 
signal(m, "beforeCursorEnter"); 
if (m.explicitlyCleared) { 
if (!line.markedSpans) break ; 
 else { 
--i; 
continue ; 
} 
} 
} 
if (!m.atomic) continue ; 
var newPos = m.find(dir < 0? -1: 1); 
if (cmp(newPos, curPos) == 0) { 
newPos.ch += dir; 
if (newPos.ch < 0) { 
if (newPos.line > doc.first) newPos = clipPos(doc, Pos(newPos.line - 1)); 
 else newPos = null ; 
} 
 else if (newPos.ch > _AN_Read_length("length", line.text)) { 
if (newPos.line < doc.first + doc.size - 1) newPos = Pos(newPos.line + 1, 0); 
 else newPos = null ; 
} 
if (!newPos) { 
if (flipped) { 
if (!mayClear) return skipAtomic(doc, pos, bias, true ); 
doc.cantEdit = true ; 
return Pos(doc.first, 0); 
} 
flipped = true ; 
newPos = pos; 
dir = - dir; 
} 
} 
curPos = newPos; 
continue search; 
} 
} 
} 
return curPos; 
} 
} 
function updateSelection(cm){ 
cm.display.input.showSelection(cm.display.input.prepareSelection()); 
} 
function prepareSelection(cm, primary){ 
var doc = cm.doc, result = { 
}
; 
var curFragment = result.cursors = document.createDocumentFragment(); 
var selFragment = result.selection = document.createDocumentFragment(); 
for (var i = 0; 
i < _AN_Read_length("length", doc.sel.ranges); i++ ){ 
if (primary === false  && i == doc.sel.primIndex) continue ; 
var range = doc.sel.ranges[i]; 
var collapsed = range.empty(); 
if (collapsed || cm.options.showCursorWhenSelecting) drawSelectionCursor(cm, range, curFragment); 
if (!collapsed) drawSelectionRange(cm, range, selFragment); 
} 
return result; 
} 
function drawSelectionCursor(cm, range, output){ 
var pos = cursorCoords(cm, range.head, "div", null , null , !cm.options.singleCursorHeightPerLine); 
var cursor = _AN_Call_appendchild("appendChild", output, elt("div", "\u00a0", "CodeMirror-cursor")); 
cursor.style.left = pos.left + "px"; 
cursor.style.top = pos.top + "px"; 
cursor.style.height = Math.max(0, pos.bottom - pos.top) * cm.options.cursorHeight + "px"; 
if (pos.other) { 
var otherCursor = _AN_Call_appendchild("appendChild", output, elt("div", "\u00a0", "CodeMirror-cursor CodeMirror-secondarycursor")); 
otherCursor.style.display = ""; 
otherCursor.style.left = pos.other.left + "px"; 
otherCursor.style.top = pos.other.top + "px"; 
otherCursor.style.height = (pos.other.bottom - pos.other.top) * 0.85 + "px"; 
} 
} 
function drawSelectionRange(cm, range, output){ 
var display = cm.display, doc = cm.doc; 
var fragment = document.createDocumentFragment(); 
var padding = paddingH(cm.display), leftSide = padding.left; 
var rightSide = Math.max(display.sizerWidth, displayWidth(cm) - display.sizer.offsetLeft) - padding.right; 
function add(left, top, width, bottom){ 
if (top < 0) top = 0; 
top = Math.round(top); 
bottom = Math.round(bottom); 
_AN_Call_appendchild("appendChild", fragment, elt("div", null , "CodeMirror-selected", "position: absolute; left: " + left + "px; top: " + top + "px; width: " + (width == null ? rightSide - left: width) + "px; height: " + (bottom - top) + "px")); 
} 
function drawForLine(line, fromArg, toArg){ 
var lineObj = getLine(doc, line); 
var lineLen = _AN_Read_length("length", lineObj.text); 
var start, end; 
function coords(ch, bias){ 
return charCoords(cm, Pos(line, ch), "div", lineObj, bias); 
} 
iterateBidiSections(getOrder(lineObj), fromArg || 0, toArg == null ? lineLen: toArg, function (from, to, dir){ 
var leftPos = coords(from, "left"), rightPos, left, right; 
if (from == to) { 
rightPos = leftPos; 
left = right = leftPos.left; 
} 
 else { 
rightPos = coords(to - 1, "right"); 
if (dir == "rtl") { 
var tmp = leftPos; 
leftPos = rightPos; 
rightPos = tmp; 
} 
left = leftPos.left; 
right = rightPos.right; 
} 
if (fromArg == null  && from == 0) left = leftSide; 
if (rightPos.top - leftPos.top > 3) { 
add(left, leftPos.top, null , leftPos.bottom); 
left = leftSide; 
if (leftPos.bottom < rightPos.top) add(left, leftPos.bottom, null , rightPos.top); 
} 
if (toArg == null  && to == lineLen) right = rightSide; 
if (!start || leftPos.top < start.top || leftPos.top == start.top && leftPos.left < start.left) start = leftPos; 
if (!end || rightPos.bottom > end.bottom || rightPos.bottom == end.bottom && rightPos.right > end.right) end = rightPos; 
if (left < leftSide + 1) left = leftSide; 
add(left, rightPos.top, right - left, rightPos.bottom); 
} 
); 
return { 
start: start,
end: end}
; 
} 
var sFrom = range.from(), sTo = range.to(); 
if (sFrom.line == sTo.line) { 
drawForLine(sFrom.line, sFrom.ch, sTo.ch); 
} 
 else { 
var fromLine = getLine(doc, sFrom.line), toLine = getLine(doc, sTo.line); 
var singleVLine = visualLine(fromLine) == visualLine(toLine); 
var leftEnd = drawForLine(sFrom.line, sFrom.ch, singleVLine? _AN_Read_length("length", fromLine.text) + 1: null ).end; 
var rightStart = drawForLine(sTo.line, singleVLine? 0: null , sTo.ch).start; 
if (singleVLine) { 
if (leftEnd.top < rightStart.top - 2) { 
add(leftEnd.right, leftEnd.top, null , leftEnd.bottom); 
add(leftSide, rightStart.top, rightStart.left, rightStart.bottom); 
} 
 else { 
add(leftEnd.right, leftEnd.top, rightStart.left - leftEnd.right, leftEnd.bottom); 
} 
} 
if (leftEnd.bottom < rightStart.top) add(leftSide, leftEnd.bottom, null , rightStart.top); 
} 
_AN_Call_appendchild("appendChild", output, fragment); 
} 
function restartBlink(cm){ 
if (!cm.state.focused) return ; 
var display = cm.display; 
clearInterval(display.blinker); 
var on = true ; 
display.cursorDiv.style.visibility = ""; 
if (cm.options.cursorBlinkRate > 0) display.blinker = _AN_Call_setinterval("setInterval", window, function (){ 
display.cursorDiv.style.visibility = (on = !on)? "": "hidden"; 
} 
, cm.options.cursorBlinkRate); 
 else if (cm.options.cursorBlinkRate < 0) display.cursorDiv.style.visibility = "hidden"; 
} 
function startWorker(cm, time){ 
if (cm.doc.mode.startState && cm.doc.frontier < cm.display.viewTo) cm.state.highlight.set(time, bind(highlightWorker, cm)); 
} 
function highlightWorker(cm){ 
var doc = cm.doc; 
if (doc.frontier < doc.first) doc.frontier = doc.first; 
if (doc.frontier >= cm.display.viewTo) return ; 
var end = + new Date() + cm.options.workTime; 
var state = copyState(doc.mode, getStateBefore(cm, doc.frontier)); 
var changedLines = [] ; 
doc.iter(doc.frontier, Math.min(doc.first + doc.size, cm.display.viewTo + 500), function (line){ 
if (doc.frontier >= cm.display.viewFrom) { 
var oldStyles = line.styles; 
var highlighted = highlightLine(cm, line, state, true ); 
line.styles = highlighted.styles; 
var oldCls = line.styleClasses, newCls = highlighted.classes; 
if (newCls) line.styleClasses = newCls; 
 else if (oldCls) line.styleClasses = null ; 
var ischange = !oldStyles || _AN_Read_length("length", oldStyles) != _AN_Read_length("length", line.styles) || oldCls != newCls && (!oldCls || !newCls || oldCls.bgClass != newCls.bgClass || oldCls.textClass != newCls.textClass); 
for (var i = 0; 
!ischange && i < _AN_Read_length("length", oldStyles); ++i)ischange = oldStyles[i] != line.styles[i]; 
if (ischange) changedLines.push(doc.frontier); 
line.stateAfter = copyState(doc.mode, state); 
} 
 else { 
processLine(cm, line.text, state); 
line.stateAfter = doc.frontier % 5 == 0? copyState(doc.mode, state): null ; 
} 
++doc.frontier; 
if (+ new Date() > end) { 
startWorker(cm, cm.options.workDelay); 
return true ; 
} 
} 
); 
if (changedLines.length) runInOp(cm, function (){ 
for (var i = 0; 
i < _AN_Read_length("length", changedLines); i++ )regLineChange(cm, changedLines[i], "text"); 
} 
); 
} 
function findStartLine(cm, n, precise){ 
var minindent, minline, doc = cm.doc; 
var lim = precise? -1: n - (cm.doc.mode.innerMode? 1000: 100); 
for (var search = n; 
search > lim; --search){ 
if (search <= doc.first) return doc.first; 
var line = getLine(doc, search - 1); 
if (line.stateAfter && (!precise || search <= doc.frontier)) return search; 
var indented = countColumn(line.text, null , cm.options.tabSize); 
if (minline == null  || minindent > indented) { 
minline = search - 1; 
minindent = indented; 
} 
} 
return minline; 
} 
function getStateBefore(cm, n, precise){ 
var doc = cm.doc, display = cm.display; 
if (!doc.mode.startState) return true ; 
var pos = findStartLine(cm, n, precise), state = pos > doc.first && getLine(doc, pos - 1).stateAfter; 
if (!state) state = startState(doc.mode); 
 else state = copyState(doc.mode, state); 
doc.iter(pos, n, function (line){ 
processLine(cm, line.text, state); 
var save = pos == n - 1 || pos % 5 == 0 || pos >= display.viewFrom && pos < display.viewTo; 
line.stateAfter = save? copyState(doc.mode, state): null ; 
++pos; 
} 
); 
if (precise) doc.frontier = pos; 
return state; 
} 
function paddingTop(display){ 
return display.lineSpace.offsetTop; 
} 
function paddingVert(display){ 
return display.mover.offsetHeight - display.lineSpace.offsetHeight; 
} 
function paddingH(display){ 
if (display.cachedPaddingH) return display.cachedPaddingH; 
var e = removeChildrenAndAdd(display.measure, elt("pre", "x")); 
var style = window.getComputedStyle? window.getComputedStyle(e): e.currentStyle; 
var data = { 
left: parseInt(style.paddingLeft),
right: parseInt(style.paddingRight)}
; 
if (!isNaN(data.left) && !isNaN(data.right)) display.cachedPaddingH = data; 
return data; 
} 
function scrollGap(cm){ 
return scrollerGap - cm.display.nativeBarWidth; 
} 
function displayWidth(cm){ 
return cm.display.scroller.clientWidth - scrollGap(cm) - cm.display.barWidth; 
} 
function displayHeight(cm){ 
return cm.display.scroller.clientHeight - scrollGap(cm) - cm.display.barHeight; 
} 
function ensureLineHeights(cm, lineView, rect){ 
var wrapping = cm.options.lineWrapping; 
var curWidth = wrapping && displayWidth(cm); 
if (!lineView.measure.heights || wrapping && lineView.measure.width != curWidth) { 
var heights = lineView.measure.heights = [] ; 
if (wrapping) { 
lineView.measure.width = curWidth; 
var rects = lineView.text.firstChild.getClientRects(); 
for (var i = 0; 
i < _AN_Read_length("length", rects) - 1; i++ ){ 
var cur = rects[i], next = rects[i + 1]; 
if (Math.abs(cur.bottom - next.bottom) > 2) heights.push((cur.bottom + next.top) / 2 - rect.top); 
} 
} 
heights.push(rect.bottom - rect.top); 
} 
} 
function mapFromLineView(lineView, line, lineN){ 
if (lineView.line == line) return { 
map: lineView.measure.map,
cache: lineView.measure.cache}
; 
for (var i = 0; 
i < _AN_Read_length("length", lineView.rest); i++ )if (lineView.rest[i] == line) return { 
map: lineView.measure.maps[i],
cache: lineView.measure.caches[i]}
; 
for (var i = 0; 
i < _AN_Read_length("length", lineView.rest); i++ )if (lineNo(lineView.rest[i]) > lineN) return { 
map: lineView.measure.maps[i],
cache: lineView.measure.caches[i],
before: true }
; 
} 
function updateExternalMeasurement(cm, line){ 
line = visualLine(line); 
var lineN = lineNo(line); 
var view = cm.display.externalMeasured = new LineView(cm.doc, line, lineN); 
view.lineN = lineN; 
var built = view.built = buildLineContent(cm, view); 
_AN_Write_text("text", view, false , built.pre); 
removeChildrenAndAdd(cm.display.lineMeasure, built.pre); 
return view; 
} 
function measureChar(cm, line, ch, bias){ 
return measureCharPrepared(cm, prepareMeasureForLine(cm, line), ch, bias); 
} 
function findViewForLine(cm, lineN){ 
if (lineN >= cm.display.viewFrom && lineN < cm.display.viewTo) return cm.display.view[findViewIndex(cm, lineN)]; 
var ext = cm.display.externalMeasured; 
if (ext && lineN >= ext.lineN && lineN < ext.lineN + ext.size) return ext; 
} 
function prepareMeasureForLine(cm, line){ 
var lineN = lineNo(line); 
var view = findViewForLine(cm, lineN); 
if (view && !view.text) view = null ; 
 else if (view && view.changes) updateLineForChanges(cm, view, lineN, getDimensions(cm)); 
if (!view) view = updateExternalMeasurement(cm, line); 
var info = mapFromLineView(view, line, lineN); 
return { 
line: line,
view: view,
rect: null ,
map: info.map,
cache: info.cache,
before: info.before,
hasHeights: false }
; 
} 
function measureCharPrepared(cm, prepared, ch, bias, varHeight){ 
if (prepared.before) ch = -1; 
var key = ch + (bias || ""), found; 
if (prepared.cache.hasOwnProperty(key)) { 
found = prepared.cache[key]; 
} 
 else { 
if (!prepared.rect) prepared.rect = prepared.view.text.getBoundingClientRect(); 
if (!prepared.hasHeights) { 
ensureLineHeights(cm, prepared.view, prepared.rect); 
prepared.hasHeights = true ; 
} 
found = measureCharInner(cm, prepared, ch, bias); 
if (!found.bogus) prepared.cache[key] = found; 
} 
return { 
left: found.left,
right: found.right,
top: varHeight? found.rtop: found.top,
bottom: varHeight? found.rbottom: found.bottom}
; 
} 
var nullRect = { 
left: 0,
right: 0,
top: 0,
bottom: 0}
; 
function nodeAndOffsetInLineMap(map, ch, bias){ 
var node, start, end, collapse; 
for (var i = 0; 
i < _AN_Read_length("length", map); i += 3){ 
var mStart = map[i], mEnd = map[i + 1]; 
if (ch < mStart) { 
start = 0; 
end = 1; 
collapse = "left"; 
} 
 else if (ch < mEnd) { 
start = ch - mStart; 
end = start + 1; 
} 
 else if (i == _AN_Read_length("length", map) - 3 || ch == mEnd && map[i + 3] > ch) { 
end = mEnd - mStart; 
start = end - 1; 
if (ch >= mEnd) collapse = "right"; 
} 
if (start != null ) { 
node = map[i + 2]; 
if (mStart == mEnd && bias == (node.insertLeft? "left": "right")) collapse = bias; 
if (bias == "left" && start == 0) while (i && map[i - 2] == map[i - 3] && map[i - 1].insertLeft){ 
node = map[(i -= 3) + 2]; 
collapse = "left"; 
} 
if (bias == "right" && start == mEnd - mStart) while (i < _AN_Read_length("length", map) - 3 && map[i + 3] == map[i + 4] && !map[i + 5].insertLeft){ 
node = map[(i += 3) + 2]; 
collapse = "right"; 
} 
break ; 
} 
} 
return { 
node: node,
start: start,
end: end,
collapse: collapse,
coverStart: mStart,
coverEnd: mEnd}
; 
} 
function measureCharInner(cm, prepared, ch, bias){ 
var place = nodeAndOffsetInLineMap(prepared.map, ch, bias); 
var node = place.node, start = place.start, end = place.end, collapse = place.collapse; 
var rect; 
if (node.nodeType == 3) { 
for (var i = 0; 
i < 4; i++ ){ 
while (start && isExtendingChar(prepared.line.text.charAt(place.coverStart + start)))--start; 
while (place.coverStart + end < place.coverEnd && isExtendingChar(prepared.line.text.charAt(place.coverStart + end)))++end; 
if (ie && ie_version < 9 && start == 0 && end == place.coverEnd - place.coverStart) { 
rect = node.parentNode.getBoundingClientRect(); 
} 
 else if (ie && cm.options.lineWrapping) { 
var rects = range(node, start, end).getClientRects(); 
if (rects.length) rect = rects[bias == "right"? _AN_Read_length("length", rects) - 1: 0]; 
 else rect = nullRect; 
} 
 else { 
rect = range(node, start, end).getBoundingClientRect() || nullRect; 
} 
if (rect.left || rect.right || start == 0) break ; 
end = start; 
start = start - 1; 
collapse = "right"; 
} 
if (ie && ie_version < 11) rect = maybeUpdateRectForZooming(cm.display.measure, rect); 
} 
 else { 
if (start > 0) collapse = bias = "right"; 
var rects; 
if (cm.options.lineWrapping && _AN_Read_length("length", (rects = node.getClientRects())) > 1) rect = rects[bias == "right"? _AN_Read_length("length", rects) - 1: 0]; 
 else rect = node.getBoundingClientRect(); 
} 
if (ie && ie_version < 9 && !start && (!rect || !rect.left && !rect.right)) { 
var rSpan = node.parentNode.getClientRects()[0]; 
if (rSpan) rect = { 
left: rSpan.left,
right: rSpan.left + charWidth(cm.display),
top: rSpan.top,
bottom: rSpan.bottom}
; 
 else rect = nullRect; 
} 
var rtop = rect.top - prepared.rect.top, rbot = rect.bottom - prepared.rect.top; 
var mid = (rtop + rbot) / 2; 
var heights = prepared.view.measure.heights; 
for (var i = 0; 
i < _AN_Read_length("length", heights) - 1; i++ )if (mid < heights[i]) break ; 
var top = i? heights[i - 1]: 0, bot = heights[i]; 
var result = { 
left: (collapse == "right"? rect.right: rect.left) - prepared.rect.left,
right: (collapse == "left"? rect.left: rect.right) - prepared.rect.left,
top: top,
bottom: bot}
; 
if (!rect.left && !rect.right) result.bogus = true ; 
if (!cm.options.singleCursorHeightPerLine) { 
result.rtop = rtop; 
result.rbottom = rbot; 
} 
return result; 
} 
function maybeUpdateRectForZooming(measure, rect){ 
if (!window.screen || screen.logicalXDPI == null  || screen.logicalXDPI == screen.deviceXDPI || !hasBadZoomedRects(measure)) return rect; 
var scaleX = screen.logicalXDPI / screen.deviceXDPI; 
var scaleY = screen.logicalYDPI / screen.deviceYDPI; 
return { 
left: rect.left * scaleX,
right: rect.right * scaleX,
top: rect.top * scaleY,
bottom: rect.bottom * scaleY}
; 
} 
function clearLineMeasurementCacheFor(lineView){ 
if (lineView.measure) { 
lineView.measure.cache = { 
}
; 
lineView.measure.heights = null ; 
if (lineView.rest) for (var i = 0; 
i < _AN_Read_length("length", lineView.rest); i++ )lineView.measure.caches[i] = { 
}
; 
} 
} 
function clearLineMeasurementCache(cm){ 
cm.display.externalMeasure = null ; 
removeChildren(cm.display.lineMeasure); 
for (var i = 0; 
i < _AN_Read_length("length", cm.display.view); i++ )clearLineMeasurementCacheFor(cm.display.view[i]); 
} 
function clearCaches(cm){ 
clearLineMeasurementCache(cm); 
cm.display.cachedCharWidth = cm.display.cachedTextHeight = cm.display.cachedPaddingH = null ; 
if (!cm.options.lineWrapping) cm.display.maxLineChanged = true ; 
cm.display.lineNumChars = null ; 
} 
function pageScrollX(){ 
return window.pageXOffset || (document.documentElement || document.body).scrollLeft; 
} 
function pageScrollY(){ 
return window.pageYOffset || (document.documentElement || document.body).scrollTop; 
} 
function intoCoordSystem(cm, lineObj, rect, context){ 
if (lineObj.widgets) for (var i = 0; 
i < _AN_Read_length("length", lineObj.widgets); ++i)if (lineObj.widgets[i].above) { 
var size = widgetHeight(lineObj.widgets[i]); 
rect.top += size; 
rect.bottom += size; 
} 
if (context == "line") return rect; 
if (!context) context = "local"; 
var yOff = heightAtLine(lineObj); 
if (context == "local") yOff += paddingTop(cm.display); 
 else yOff -= cm.display.viewOffset; 
if (context == "page" || context == "window") { 
var lOff = cm.display.lineSpace.getBoundingClientRect(); 
yOff += lOff.top + (context == "window"? 0: pageScrollY()); 
var xOff = lOff.left + (context == "window"? 0: pageScrollX()); 
rect.left += xOff; 
rect.right += xOff; 
} 
rect.top += yOff; 
rect.bottom += yOff; 
return rect; 
} 
function fromCoordSystem(cm, coords, context){ 
if (context == "div") return coords; 
var left = coords.left, top = coords.top; 
if (context == "page") { 
left -= pageScrollX(); 
top -= pageScrollY(); 
} 
 else if (context == "local" || !context) { 
var localBox = cm.display.sizer.getBoundingClientRect(); 
left += localBox.left; 
top += localBox.top; 
} 
var lineSpaceBox = cm.display.lineSpace.getBoundingClientRect(); 
return { 
left: left - lineSpaceBox.left,
top: top - lineSpaceBox.top}
; 
} 
function charCoords(cm, pos, context, lineObj, bias){ 
if (!lineObj) lineObj = getLine(cm.doc, pos.line); 
return intoCoordSystem(cm, lineObj, measureChar(cm, lineObj, pos.ch, bias), context); 
} 
function cursorCoords(cm, pos, context, lineObj, preparedMeasure, varHeight){ 
lineObj = lineObj || getLine(cm.doc, pos.line); 
if (!preparedMeasure) preparedMeasure = prepareMeasureForLine(cm, lineObj); 
function get(ch, right){ 
var m = measureCharPrepared(cm, preparedMeasure, ch, right? "right": "left", varHeight); 
if (right) m.left = m.right; 
 else m.right = m.left; 
return intoCoordSystem(cm, lineObj, m, context); 
} 
function getBidi(ch, partPos){ 
var part = order[partPos], right = part.level % 2; 
if (ch == bidiLeft(part) && partPos && part.level < order[partPos - 1].level) { 
part = order[--partPos]; 
ch = bidiRight(part) - (part.level % 2? 0: 1); 
right = true ; 
} 
 else if (ch == bidiRight(part) && partPos < _AN_Read_length("length", order) - 1 && part.level < order[partPos + 1].level) { 
part = order[++partPos]; 
ch = bidiLeft(part) - part.level % 2; 
right = false ; 
} 
if (right && ch == part.to && ch > part.from) return get(ch - 1); 
return get(ch, right); 
} 
var order = getOrder(lineObj), ch = pos.ch; 
if (!order) return get(ch); 
var partPos = getBidiPartAt(order, ch); 
var val = getBidi(ch, partPos); 
if (bidiOther != null ) val.other = getBidi(ch, bidiOther); 
return val; 
} 
function estimateCoords(cm, pos){ 
var left = 0, pos = clipPos(cm.doc, pos); 
if (!cm.options.lineWrapping) left = charWidth(cm.display) * pos.ch; 
var lineObj = getLine(cm.doc, pos.line); 
var top = heightAtLine(lineObj) + paddingTop(cm.display); 
return { 
left: left,
right: left,
top: top,
bottom: top + lineObj.height}
; 
} 
function PosWithInfo(line, ch, outside, xRel){ 
var pos = Pos(line, ch); 
pos.xRel = xRel; 
if (outside) pos.outside = true ; 
return pos; 
} 
function coordsChar(cm, x, y){ 
var doc = cm.doc; 
y += cm.display.viewOffset; 
if (y < 0) return PosWithInfo(doc.first, 0, true , -1); 
var lineN = lineAtHeight(doc, y), last = doc.first + doc.size - 1; 
if (lineN > last) return PosWithInfo(doc.first + doc.size - 1, _AN_Read_length("length", getLine(doc, last).text), true , 1); 
if (x < 0) x = 0; 
var lineObj = getLine(doc, lineN); 
for (; ; ){ 
var found = coordsCharInner(cm, lineObj, lineN, x, y); 
var merged = collapsedSpanAtEnd(lineObj); 
var mergedPos = merged && merged.find(0, true ); 
if (merged && (found.ch > mergedPos.from.ch || found.ch == mergedPos.from.ch && found.xRel > 0)) lineN = lineNo(lineObj = mergedPos.to.line); 
 else return found; 
} 
} 
function coordsCharInner(cm, lineObj, lineNo, x, y){ 
var innerOff = y - heightAtLine(lineObj); 
var wrongLine = false , adjust = 2 * cm.display.wrapper.clientWidth; 
var preparedMeasure = prepareMeasureForLine(cm, lineObj); 
function getX(ch){ 
var sp = cursorCoords(cm, Pos(lineNo, ch), "line", lineObj, preparedMeasure); 
wrongLine = true ; 
if (innerOff > sp.bottom) return sp.left - adjust; 
 else if (innerOff < sp.top) return sp.left + adjust; 
 else wrongLine = false ; 
return sp.left; 
} 
var bidi = getOrder(lineObj), dist = _AN_Read_length("length", lineObj.text); 
var from = lineLeft(lineObj), to = lineRight(lineObj); 
var fromX = getX(from), fromOutside = wrongLine, toX = getX(to), toOutside = wrongLine; 
if (x > toX) return PosWithInfo(lineNo, to, toOutside, 1); 
for (; ; ){ 
if (bidi? to == from || to == moveVisually(lineObj, from, 1): to - from <= 1) { 
var ch = x < fromX || x - fromX <= toX - x? from: to; 
var xDiff = x - (ch == from? fromX: toX); 
while (isExtendingChar(lineObj.text.charAt(ch)))++ch; 
var pos = PosWithInfo(lineNo, ch, ch == from? fromOutside: toOutside, xDiff < -1? -1: xDiff > 1? 1: 0); 
return pos; 
} 
var step = Math.ceil(dist / 2), middle = from + step; 
if (bidi) { 
middle = from; 
for (var i = 0; 
i < step; ++i)middle = moveVisually(lineObj, middle, 1); 
} 
var middleX = getX(middle); 
if (middleX > x) { 
to = middle; 
toX = middleX; 
if (toOutside = wrongLine) toX += 1000; 
dist = step; 
} 
 else { 
from = middle; 
fromX = middleX; 
fromOutside = wrongLine; 
dist -= step; 
} 
} 
} 
var measureText; 
function textHeight(display){ 
if (display.cachedTextHeight != null ) return display.cachedTextHeight; 
if (measureText == null ) { 
measureText = elt("pre"); 
for (var i = 0; 
i < 49; ++i){ 
_AN_Call_appendchild("appendChild", measureText, document.createTextNode("x")); 
_AN_Call_appendchild("appendChild", measureText, elt("br")); 
} 
_AN_Call_appendchild("appendChild", measureText, document.createTextNode("x")); 
} 
removeChildrenAndAdd(display.measure, measureText); 
var height = measureText.offsetHeight / 50; 
if (height > 3) display.cachedTextHeight = height; 
removeChildren(display.measure); 
return height || 1; 
} 
function charWidth(display){ 
if (display.cachedCharWidth != null ) return display.cachedCharWidth; 
var anchor = elt("span", "xxxxxxxxxx"); 
var pre = elt("pre", [anchor] ); 
removeChildrenAndAdd(display.measure, pre); 
var rect = anchor.getBoundingClientRect(), width = (rect.right - rect.left) / 10; 
if (width > 2) display.cachedCharWidth = width; 
return width || 10; 
} 
var operationGroup = null ; 
var nextOpId = 0; 
function startOperation(cm){ 
cm.curOp = { 
cm: cm,
viewChanged: false ,
startHeight: cm.doc.height,
forceUpdate: false ,
updateInput: null ,
typing: false ,
changeObjs: null ,
cursorActivityHandlers: null ,
cursorActivityCalled: 0,
selectionChanged: false ,
updateMaxLine: false ,
scrollLeft: null ,
scrollTop: null ,
scrollToPos: null ,
id: ++nextOpId}
; 
if (operationGroup) { 
operationGroup.ops.push(cm.curOp); 
} 
 else { 
cm.curOp.ownsGroup = operationGroup = { 
ops: [cm.curOp] ,
delayedCallbacks: [] }
; 
} 
} 
function fireCallbacksForOps(group){ 
var callbacks = group.delayedCallbacks, i = 0; 
do { 
for (; i < _AN_Read_length("length", callbacks); i++ )callbacks[i](); 
for (var j = 0; 
j < _AN_Read_length("length", group.ops); j++ ){ 
var op = group.ops[j]; 
if (op.cursorActivityHandlers) while (op.cursorActivityCalled < _AN_Read_length("length", op.cursorActivityHandlers))op.cursorActivityHandlers[op.cursorActivityCalled++ ](op.cm); 
} 
} 
while(i < _AN_Read_length("length", callbacks))} 
function endOperation(cm){ 
var op = cm.curOp, group = op.ownsGroup; 
if (!group) return ; 
try { 
fireCallbacksForOps(group); 
} 
finally{ 
operationGroup = null ; 
for (var i = 0; 
i < _AN_Read_length("length", group.ops); i++ )group.ops[i].cm.curOp = null ; 
endOperations(group); 
} 
} 
function endOperations(group){ 
var ops = group.ops; 
for (var i = 0; 
i < _AN_Read_length("length", ops); i++ )endOperation_R1(ops[i]); 
for (var i = 0; 
i < _AN_Read_length("length", ops); i++ )endOperation_W1(ops[i]); 
for (var i = 0; 
i < _AN_Read_length("length", ops); i++ )endOperation_R2(ops[i]); 
for (var i = 0; 
i < _AN_Read_length("length", ops); i++ )endOperation_W2(ops[i]); 
for (var i = 0; 
i < _AN_Read_length("length", ops); i++ )endOperation_finish(ops[i]); 
} 
function endOperation_R1(op){ 
var cm = op.cm, display = cm.display; 
maybeClipScrollbars(cm); 
if (op.updateMaxLine) findMaxLine(cm); 
op.mustUpdate = op.viewChanged || op.forceUpdate || op.scrollTop != null  || op.scrollToPos && (op.scrollToPos.from.line < display.viewFrom || op.scrollToPos.to.line >= display.viewTo) || display.maxLineChanged && cm.options.lineWrapping; 
op.update = op.mustUpdate && new DisplayUpdate(cm, op.mustUpdate && { 
top: op.scrollTop,
ensure: op.scrollToPos}
, op.forceUpdate); 
} 
function endOperation_W1(op){ 
op.updatedDisplay = op.mustUpdate && updateDisplayIfNeeded(op.cm, op.update); 
} 
function endOperation_R2(op){ 
var cm = op.cm, display = cm.display; 
if (op.updatedDisplay) updateHeightsInViewport(cm); 
op.barMeasure = measureForScrollbars(cm); 
if (display.maxLineChanged && !cm.options.lineWrapping) { 
op.adjustWidthTo = measureChar(cm, display.maxLine, _AN_Read_length("length", display.maxLine.text)).left + 3; 
cm.display.sizerWidth = op.adjustWidthTo; 
op.barMeasure.scrollWidth = Math.max(display.scroller.clientWidth, display.sizer.offsetLeft + op.adjustWidthTo + scrollGap(cm) + cm.display.barWidth); 
op.maxScrollLeft = Math.max(0, display.sizer.offsetLeft + op.adjustWidthTo - displayWidth(cm)); 
} 
if (op.updatedDisplay || op.selectionChanged) op.preparedSelection = display.input.prepareSelection(); 
} 
function endOperation_W2(op){ 
var cm = op.cm; 
if (op.adjustWidthTo != null ) { 
cm.display.sizer.style.minWidth = op.adjustWidthTo + "px"; 
if (op.maxScrollLeft < cm.doc.scrollLeft) setScrollLeft(cm, Math.min(cm.display.scroller.scrollLeft, op.maxScrollLeft), true ); 
cm.display.maxLineChanged = false ; 
} 
if (op.preparedSelection) cm.display.input.showSelection(op.preparedSelection); 
if (op.updatedDisplay) setDocumentHeight(cm, op.barMeasure); 
if (op.updatedDisplay || op.startHeight != cm.doc.height) updateScrollbars(cm, op.barMeasure); 
if (op.selectionChanged) restartBlink(cm); 
if (cm.state.focused && op.updateInput) cm.display.input.reset(op.typing); 
} 
function endOperation_finish(op){ 
var cm = op.cm, display = cm.display, doc = cm.doc; 
if (op.updatedDisplay) postUpdateDisplay(cm, op.update); 
if (display.wheelStartX != null  && (op.scrollTop != null  || op.scrollLeft != null  || op.scrollToPos)) display.wheelStartX = display.wheelStartY = null ; 
if (op.scrollTop != null  && (display.scroller.scrollTop != op.scrollTop || op.forceScroll)) { 
doc.scrollTop = Math.max(0, Math.min(display.scroller.scrollHeight - display.scroller.clientHeight, op.scrollTop)); 
display.scrollbars.setScrollTop(doc.scrollTop); 
display.scroller.scrollTop = doc.scrollTop; 
} 
if (op.scrollLeft != null  && (display.scroller.scrollLeft != op.scrollLeft || op.forceScroll)) { 
doc.scrollLeft = Math.max(0, Math.min(display.scroller.scrollWidth - displayWidth(cm), op.scrollLeft)); 
display.scrollbars.setScrollLeft(doc.scrollLeft); 
display.scroller.scrollLeft = doc.scrollLeft; 
alignHorizontally(cm); 
} 
if (op.scrollToPos) { 
var coords = scrollPosIntoView(cm, clipPos(doc, op.scrollToPos.from), clipPos(doc, op.scrollToPos.to), op.scrollToPos.margin); 
if (op.scrollToPos.isCursor && cm.state.focused) maybeScrollWindow(cm, coords); 
} 
var hidden = op.maybeHiddenMarkers, unhidden = op.maybeUnhiddenMarkers; 
if (hidden) for (var i = 0; 
i < _AN_Read_length("length", hidden); ++i)if (!_AN_Read_length("length", hidden[i].lines)) signal(hidden[i], "hide"); 
if (unhidden) for (var i = 0; 
i < _AN_Read_length("length", unhidden); ++i)if (unhidden[i].lines.length) signal(unhidden[i], "unhide"); 
if (display.wrapper.offsetHeight) doc.scrollTop = cm.display.scroller.scrollTop; 
if (op.changeObjs) signal(cm, "changes", cm, op.changeObjs); 
if (op.update) op.update.finish(); 
} 
function runInOp(cm, f){ 
if (cm.curOp) return f(); 
startOperation(cm); 
try { 
return f(); 
} 
finally{ 
endOperation(cm); 
} 
} 
function operation(cm, f){ 
return function (){ 
if (cm.curOp) return f.apply(cm, arguments); 
startOperation(cm); 
try { 
return f.apply(cm, arguments); 
} 
finally{ 
endOperation(cm); 
} 
} 
; 
} 
function methodOp(f){ 
return function (){ 
if (this.curOp) return f.apply(this, arguments); 
startOperation(this); 
try { 
return f.apply(this, arguments); 
} 
finally{ 
endOperation(this); 
} 
} 
; 
} 
function docMethodOp(f){ 
return function (){ 
var cm = this.cm; 
if (!cm || cm.curOp) return f.apply(this, arguments); 
startOperation(cm); 
try { 
return f.apply(this, arguments); 
} 
finally{ 
endOperation(cm); 
} 
} 
; 
} 
function LineView(doc, line, lineN){ 
this.line = line; 
this.rest = visualLineContinued(line); 
this.size = this.rest? lineNo(lst(this.rest)) - lineN + 1: 1; 
this.node = _AN_Write_text("text", this, false , null ); 
this.hidden = lineIsHidden(doc, line); 
} 
function buildViewArray(cm, from, to){ 
var array = [] , nextPos; 
for (var pos = from; 
pos < to; pos = nextPos){ 
var view = new LineView(cm.doc, getLine(cm.doc, pos), pos); 
nextPos = pos + view.size; 
array.push(view); 
} 
return array; 
} 
function regChange(cm, from, to, lendiff){ 
if (from == null ) from = cm.doc.first; 
if (to == null ) to = cm.doc.first + cm.doc.size; 
if (!lendiff) lendiff = 0; 
var display = cm.display; 
if (lendiff && to < display.viewTo && (display.updateLineNumbers == null  || display.updateLineNumbers > from)) display.updateLineNumbers = from; 
cm.curOp.viewChanged = true ; 
if (from >= display.viewTo) { 
if (sawCollapsedSpans && visualLineNo(cm.doc, from) < display.viewTo) resetView(cm); 
} 
 else if (to <= display.viewFrom) { 
if (sawCollapsedSpans && visualLineEndNo(cm.doc, to + lendiff) > display.viewFrom) { 
resetView(cm); 
} 
 else { 
display.viewFrom += lendiff; 
display.viewTo += lendiff; 
} 
} 
 else if (from <= display.viewFrom && to >= display.viewTo) { 
resetView(cm); 
} 
 else if (from <= display.viewFrom) { 
var cut = viewCuttingPoint(cm, to, to + lendiff, 1); 
if (cut) { 
display.view = display.view.slice(cut.index); 
display.viewFrom = cut.lineN; 
display.viewTo += lendiff; 
} 
 else { 
resetView(cm); 
} 
} 
 else if (to >= display.viewTo) { 
var cut = viewCuttingPoint(cm, from, from, -1); 
if (cut) { 
display.view = display.view.slice(0, cut.index); 
display.viewTo = cut.lineN; 
} 
 else { 
resetView(cm); 
} 
} 
 else { 
var cutTop = viewCuttingPoint(cm, from, from, -1); 
var cutBot = viewCuttingPoint(cm, to, to + lendiff, 1); 
if (cutTop && cutBot) { 
display.view = display.view.slice(0, cutTop.index).concat(buildViewArray(cm, cutTop.lineN, cutBot.lineN)).concat(display.view.slice(cutBot.index)); 
display.viewTo += lendiff; 
} 
 else { 
resetView(cm); 
} 
} 
var ext = display.externalMeasured; 
if (ext) { 
if (to < ext.lineN) ext.lineN += lendiff; 
 else if (from < ext.lineN + ext.size) display.externalMeasured = null ; 
} 
} 
function regLineChange(cm, line, type){ 
cm.curOp.viewChanged = true ; 
var display = cm.display, ext = cm.display.externalMeasured; 
if (ext && line >= ext.lineN && line < ext.lineN + ext.size) display.externalMeasured = null ; 
if (line < display.viewFrom || line >= display.viewTo) return ; 
var lineView = display.view[findViewIndex(cm, line)]; 
if (lineView.node == null ) return ; 
var arr = lineView.changes || (lineView.changes = [] ); 
if (indexOf(arr, type) == -1) arr.push(type); 
} 
function resetView(cm){ 
cm.display.viewFrom = cm.display.viewTo = cm.doc.first; 
cm.display.view = [] ; 
cm.display.viewOffset = 0; 
} 
function findViewIndex(cm, n){ 
if (n >= cm.display.viewTo) return null ; 
n -= cm.display.viewFrom; 
if (n < 0) return null ; 
var view = cm.display.view; 
for (var i = 0; 
i < _AN_Read_length("length", view); i++ ){ 
n -= view[i].size; 
if (n < 0) return i; 
} 
} 
function viewCuttingPoint(cm, oldN, newN, dir){ 
var index = findViewIndex(cm, oldN), diff, view = cm.display.view; 
if (!sawCollapsedSpans || newN == cm.doc.first + cm.doc.size) return { 
index: index,
lineN: newN}
; 
for (var i = 0, n = cm.display.viewFrom; 
i < index; i++ )n += view[i].size; 
if (n != oldN) { 
if (dir > 0) { 
if (index == _AN_Read_length("length", view) - 1) return null ; 
diff = (n + view[index].size) - oldN; 
index++ ; 
} 
 else { 
diff = n - oldN; 
} 
oldN += diff; 
newN += diff; 
} 
while (visualLineNo(cm.doc, newN) != newN){ 
if (index == (dir < 0? 0: _AN_Read_length("length", view) - 1)) return null ; 
newN += dir * view[index - (dir < 0? 1: 0)].size; 
index += dir; 
} 
return { 
index: index,
lineN: newN}
; 
} 
function adjustView(cm, from, to){ 
var display = cm.display, view = display.view; 
if (_AN_Read_length("length", view) == 0 || from >= display.viewTo || to <= display.viewFrom) { 
display.view = buildViewArray(cm, from, to); 
display.viewFrom = from; 
} 
 else { 
if (display.viewFrom > from) display.view = buildViewArray(cm, from, display.viewFrom).concat(display.view); 
 else if (display.viewFrom < from) display.view = display.view.slice(findViewIndex(cm, from)); 
display.viewFrom = from; 
if (display.viewTo < to) display.view = display.view.concat(buildViewArray(cm, display.viewTo, to)); 
 else if (display.viewTo > to) display.view = display.view.slice(0, findViewIndex(cm, to)); 
} 
display.viewTo = to; 
} 
function countDirtyView(cm){ 
var view = cm.display.view, dirty = 0; 
for (var i = 0; 
i < _AN_Read_length("length", view); i++ ){ 
var lineView = view[i]; 
if (!lineView.hidden && (!lineView.node || lineView.changes)) ++dirty; 
} 
return dirty; 
} 
function registerEventHandlers(cm){ 
var d = cm.display; 
on(d.scroller, "mousedown", operation(cm, onMouseDown)); 
if (ie && ie_version < 11) on(d.scroller, "dblclick", operation(cm, function (e){ 
if (signalDOMEvent(cm, e)) return ; 
var pos = posFromMouse(cm, e); 
if (!pos || clickInGutter(cm, e) || eventInWidget(cm.display, e)) return ; 
e_preventDefault(e); 
var word = cm.findWordAt(pos); 
extendSelection(cm.doc, word.anchor, word.head); 
} 
)); 
 else on(d.scroller, "dblclick", function (e){ 
signalDOMEvent(cm, e) || e_preventDefault(e); 
} 
); 
if (!captureRightClick) on(d.scroller, "contextmenu", function (e){ 
onContextMenu(cm, e); 
} 
); 
var touchFinished, prevTouch = { 
end: 0}
; 
function finishTouch(){ 
if (d.activeTouch) { 
touchFinished = _AN_Call_settimeout("setTimeout", window, function (){ 
d.activeTouch = null ; 
} 
, 1000); 
prevTouch = d.activeTouch; 
prevTouch.end = + new Date(); 
} 
} 
; 
function isMouseLikeTouchEvent(e){ 
if (_AN_Read_length("length", e.touches) != 1) return false ; 
var touch = e.touches[0]; 
return touch.radiusX <= 1 && touch.radiusY <= 1; 
} 
function farAway(touch, other){ 
if (other.left == null ) return true ; 
var dx = other.left - touch.left, dy = other.top - touch.top; 
return dx * dx + dy * dy > 20 * 20; 
} 
on(d.scroller, "touchstart", function (e){ 
if (!isMouseLikeTouchEvent(e)) { 
clearTimeout(touchFinished); 
var now = + new Date(); 
d.activeTouch = { 
start: now,
moved: false ,
prev: now - prevTouch.end <= 300? prevTouch: null }
; 
if (_AN_Read_length("length", e.touches) == 1) { 
d.activeTouch.left = e.touches[0].pageX; 
d.activeTouch.top = e.touches[0].pageY; 
} 
} 
} 
); 
on(d.scroller, "touchmove", function (){ 
if (d.activeTouch) d.activeTouch.moved = true ; 
} 
); 
on(d.scroller, "touchend", function (e){ 
var touch = d.activeTouch; 
if (touch && !eventInWidget(d, e) && touch.left != null  && !touch.moved && new Date() - touch.start < 300) { 
var pos = cm.coordsChar(d.activeTouch, "page"), range; 
if (!touch.prev || farAway(touch, touch.prev)) range = new Range(pos, pos); 
 else if (!touch.prev.prev || farAway(touch, touch.prev.prev)) range = cm.findWordAt(pos); 
 else range = new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0))); 
cm.setSelection(range.anchor, range.head); 
cm.focus(); 
e_preventDefault(e); 
} 
finishTouch(); 
} 
); 
on(d.scroller, "touchcancel", finishTouch); 
on(d.scroller, "scroll", function (){ 
if (d.scroller.clientHeight) { 
setScrollTop(cm, d.scroller.scrollTop); 
setScrollLeft(cm, d.scroller.scrollLeft, true ); 
signal(cm, "scroll", cm); 
} 
} 
); 
on(d.scroller, "mousewheel", function (e){ 
onScrollWheel(cm, e); 
} 
); 
on(d.scroller, "DOMMouseScroll", function (e){ 
onScrollWheel(cm, e); 
} 
); 
on(d.wrapper, "scroll", function (){ 
d.wrapper.scrollTop = d.wrapper.scrollLeft = 0; 
} 
); 
function drag_(e){ 
if (!signalDOMEvent(cm, e)) e_stop(e); 
} 
if (cm.options.dragDrop) { 
on(d.scroller, "dragstart", function (e){ 
onDragStart(cm, e); 
} 
); 
on(d.scroller, "dragenter", drag_); 
on(d.scroller, "dragover", drag_); 
on(d.scroller, "drop", operation(cm, onDrop)); 
} 
var inp = d.input.getField(); 
on(inp, "keyup", function (e){ 
onKeyUp.call(cm, e); 
} 
); 
on(inp, "keydown", operation(cm, onKeyDown)); 
on(inp, "keypress", operation(cm, onKeyPress)); 
on(inp, "focus", bind(onFocus, cm)); 
on(inp, "blur", bind(onBlur, cm)); 
} 
function onResize(cm){ 
var d = cm.display; 
if (d.lastWrapHeight == d.wrapper.clientHeight && d.lastWrapWidth == d.wrapper.clientWidth) return ; 
d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null ; 
d.scrollbarsClipped = false ; 
cm.setSize(); 
} 
function eventInWidget(display, e){ 
for (var n = e_target(e); 
n != display.wrapper; n = n.parentNode){ 
if (!n || (n.nodeType == 1 && _AN_Call_getattribute("getAttribute", n, "cm-ignore-events") == "true") || (n.parentNode == display.sizer && n != display.mover)) return true ; 
} 
} 
function posFromMouse(cm, e, liberal, forRect){ 
var display = cm.display; 
if (!liberal && _AN_Call_getattribute("getAttribute", e_target(e), "cm-not-content") == "true") return null ; 
var x, y, space = display.lineSpace.getBoundingClientRect(); 
try { 
x = e.clientX - space.left; 
y = e.clientY - space.top; 
} 
catch (e) { 
return null ; 
} 
var coords = coordsChar(cm, x, y), line; 
if (forRect && coords.xRel == 1 && _AN_Read_length("length", (line = getLine(cm.doc, coords.line).text)) == coords.ch) { 
var colDiff = countColumn(line, _AN_Read_length("length", line), cm.options.tabSize) - _AN_Read_length("length", line); 
coords = Pos(coords.line, Math.max(0, Math.round((x - paddingH(cm.display).left) / charWidth(cm.display)) - colDiff)); 
} 
return coords; 
} 
function onMouseDown(e){ 
var cm = this, display = cm.display; 
if (display.activeTouch && display.input.supportsTouch() || signalDOMEvent(cm, e)) return ; 
display.shift = e.shiftKey; 
if (eventInWidget(display, e)) { 
if (!webkit) { 
display.scroller.draggable = false ; 
_AN_Call_settimeout("setTimeout", window, function (){ 
display.scroller.draggable = true ; 
} 
, 100); 
} 
return ; 
} 
if (clickInGutter(cm, e)) return ; 
var start = posFromMouse(cm, e); 
window.focus(); 
switch (e_button(e)){ 
case 1: if (start) leftButtonDown(cm, e, start); 
 else if (e_target(e) == display.scroller) e_preventDefault(e); 
break ; 
case 2: if (webkit) cm.state.lastMiddleDown = + new Date(); 
if (start) extendSelection(cm.doc, start); 
_AN_Call_settimeout("setTimeout", window, function (){ 
display.input.focus(); 
} 
, 20); 
e_preventDefault(e); 
break ; 
case 3: if (captureRightClick) onContextMenu(cm, e); 
 else delayBlurEvent(cm); 
break ; 
} 
} 
var lastClick, lastDoubleClick; 
function leftButtonDown(cm, e, start){ 
if (ie) _AN_Call_settimeout("setTimeout", window, bind(ensureFocus, cm), 0); 
 else ensureFocus(cm); 
var now = + new Date(), type; 
if (lastDoubleClick && lastDoubleClick.time > now - 400 && cmp(lastDoubleClick.pos, start) == 0) { 
type = "triple"; 
} 
 else if (lastClick && lastClick.time > now - 400 && cmp(lastClick.pos, start) == 0) { 
type = "double"; 
lastDoubleClick = { 
time: now,
pos: start}
; 
} 
 else { 
type = "single"; 
lastClick = { 
time: now,
pos: start}
; 
} 
var sel = cm.doc.sel, modifier = mac? e.metaKey: e.ctrlKey, contained; 
if (cm.options.dragDrop && dragAndDrop && !isReadOnly(cm) && type == "single" && (contained = sel.contains(start)) > -1 && !sel.ranges[contained].empty()) leftButtonStartDrag(cm, e, start, modifier); 
 else leftButtonSelect(cm, e, start, type, modifier); 
} 
function leftButtonStartDrag(cm, e, start, modifier){ 
var display = cm.display; 
var dragEnd = operation(cm, function (e2){ 
if (webkit) display.scroller.draggable = false ; 
cm.state.draggingText = false ; 
off(document, "mouseup", dragEnd); 
off(display.scroller, "drop", dragEnd); 
if (Math.abs(e.clientX - e2.clientX) + Math.abs(e.clientY - e2.clientY) < 10) { 
e_preventDefault(e2); 
if (!modifier) extendSelection(cm.doc, start); 
if (webkit || ie && ie_version == 9) _AN_Call_settimeout("setTimeout", window, function (){ 
document.body.focus(); 
display.input.focus(); 
} 
, 20); 
 else display.input.focus(); 
} 
} 
); 
if (webkit) display.scroller.draggable = true ; 
cm.state.draggingText = dragEnd; 
if (display.scroller.dragDrop) display.scroller.dragDrop(); 
on(document, "mouseup", dragEnd); 
on(display.scroller, "drop", dragEnd); 
} 
function leftButtonSelect(cm, e, start, type, addNew){ 
var display = cm.display, doc = cm.doc; 
e_preventDefault(e); 
var ourRange, ourIndex, startSel = doc.sel, ranges = startSel.ranges; 
if (addNew && !e.shiftKey) { 
ourIndex = doc.sel.contains(start); 
if (ourIndex > -1) ourRange = ranges[ourIndex]; 
 else ourRange = new Range(start, start); 
} 
 else { 
ourRange = doc.sel.primary(); 
ourIndex = doc.sel.primIndex; 
} 
if (e.altKey) { 
type = "rect"; 
if (!addNew) ourRange = new Range(start, start); 
start = posFromMouse(cm, e, true , true ); 
ourIndex = -1; 
} 
 else if (type == "double") { 
var word = cm.findWordAt(start); 
if (cm.display.shift || doc.extend) ourRange = extendRange(doc, ourRange, word.anchor, word.head); 
 else ourRange = word; 
} 
 else if (type == "triple") { 
var line = new Range(Pos(start.line, 0), clipPos(doc, Pos(start.line + 1, 0))); 
if (cm.display.shift || doc.extend) ourRange = extendRange(doc, ourRange, line.anchor, line.head); 
 else ourRange = line; 
} 
 else { 
ourRange = extendRange(doc, ourRange, start); 
} 
if (!addNew) { 
ourIndex = 0; 
setSelection(doc, new Selection([ourRange] , 0), sel_mouse); 
startSel = doc.sel; 
} 
 else if (ourIndex == -1) { 
ourIndex = _AN_Read_length("length", ranges); 
setSelection(doc, normalizeSelection(ranges.concat([ourRange] ), ourIndex), { 
scroll: false ,
origin: "*mouse"}
); 
} 
 else if (_AN_Read_length("length", ranges) > 1 && ranges[ourIndex].empty() && type == "single" && !e.shiftKey) { 
setSelection(doc, normalizeSelection(ranges.slice(0, ourIndex).concat(ranges.slice(ourIndex + 1)), 0)); 
startSel = doc.sel; 
} 
 else { 
replaceOneSelection(doc, ourIndex, ourRange, sel_mouse); 
} 
var lastPos = start; 
function extendTo(pos){ 
if (cmp(lastPos, pos) == 0) return ; 
lastPos = pos; 
if (type == "rect") { 
var ranges = [] , tabSize = cm.options.tabSize; 
var startCol = countColumn(getLine(doc, start.line).text, start.ch, tabSize); 
var posCol = countColumn(getLine(doc, pos.line).text, pos.ch, tabSize); 
var left = Math.min(startCol, posCol), right = Math.max(startCol, posCol); 
for (var line = Math.min(start.line, pos.line), end = Math.min(cm.lastLine(), Math.max(start.line, pos.line)); 
line <= end; line++ ){ 
var text = getLine(doc, line).text, leftPos = findColumn(text, left, tabSize); 
if (left == right) ranges.push(new Range(Pos(line, leftPos), Pos(line, leftPos))); 
 else if (_AN_Read_length("length", text) > leftPos) ranges.push(new Range(Pos(line, leftPos), Pos(line, findColumn(text, right, tabSize)))); 
} 
if (!_AN_Read_length("length", ranges)) ranges.push(new Range(start, start)); 
setSelection(doc, normalizeSelection(startSel.ranges.slice(0, ourIndex).concat(ranges), ourIndex), { 
origin: "*mouse",
scroll: false }
); 
cm.scrollIntoView(pos); 
} 
 else { 
var oldRange = ourRange; 
var anchor = oldRange.anchor, head = pos; 
if (type != "single") { 
if (type == "double") var range = cm.findWordAt(pos); 
 else var range = new Range(Pos(pos.line, 0), clipPos(doc, Pos(pos.line + 1, 0))); 
if (cmp(range.anchor, anchor) > 0) { 
head = range.head; 
anchor = minPos(oldRange.from(), range.anchor); 
} 
 else { 
head = range.anchor; 
anchor = maxPos(oldRange.to(), range.head); 
} 
} 
var ranges = startSel.ranges.slice(0); 
ranges[ourIndex] = new Range(clipPos(doc, anchor), head); 
setSelection(doc, normalizeSelection(ranges, ourIndex), sel_mouse); 
} 
} 
var editorSize = display.wrapper.getBoundingClientRect(); 
var counter = 0; 
function extend(e){ 
var curCount = ++counter; 
var cur = posFromMouse(cm, e, true , type == "rect"); 
if (!cur) return ; 
if (cmp(cur, lastPos) != 0) { 
ensureFocus(cm); 
extendTo(cur); 
var visible = visibleLines(display, doc); 
if (cur.line >= visible.to || cur.line < visible.from) _AN_Call_settimeout("setTimeout", window, operation(cm, function (){ 
if (counter == curCount) extend(e); 
} 
), 150); 
} 
 else { 
var outside = e.clientY < editorSize.top? -20: e.clientY > editorSize.bottom? 20: 0; 
if (outside) _AN_Call_settimeout("setTimeout", window, operation(cm, function (){ 
if (counter != curCount) return ; 
display.scroller.scrollTop += outside; 
extend(e); 
} 
), 50); 
} 
} 
function done(e){ 
counter = Infinity; 
e_preventDefault(e); 
display.input.focus(); 
off(document, "mousemove", move); 
off(document, "mouseup", up); 
doc.history.lastSelOrigin = null ; 
} 
var move = operation(cm, function (e){ 
if (!e_button(e)) done(e); 
 else extend(e); 
} 
); 
var up = operation(cm, done); 
on(document, "mousemove", move); 
on(document, "mouseup", up); 
} 
function gutterEvent(cm, e, type, prevent, signalfn){ 
try { 
var mX = e.clientX, mY = e.clientY; 
} 
catch (e) { 
return false ; 
} 
if (mX >= Math.floor(cm.display.gutters.getBoundingClientRect().right)) return false ; 
if (prevent) e_preventDefault(e); 
var display = cm.display; 
var lineBox = display.lineDiv.getBoundingClientRect(); 
if (mY > lineBox.bottom || !hasHandler(cm, type)) return e_defaultPrevented(e); 
mY -= lineBox.top - display.viewOffset; 
for (var i = 0; 
i < _AN_Read_length("length", cm.options.gutters); ++i){ 
var g = display.gutters.childNodes[i]; 
if (g && g.getBoundingClientRect().right >= mX) { 
var line = lineAtHeight(cm.doc, mY); 
var gutter = cm.options.gutters[i]; 
signalfn(cm, type, cm, line, gutter, e); 
return e_defaultPrevented(e); 
} 
} 
} 
function clickInGutter(cm, e){ 
return gutterEvent(cm, e, "gutterClick", true , signalLater); 
} 
var lastDrop = 0; 
function onDrop(e){ 
var cm = this; 
if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) return ; 
e_preventDefault(e); 
if (ie) lastDrop = + new Date(); 
var pos = posFromMouse(cm, e, true ), files = e.dataTransfer.files; 
if (!pos || isReadOnly(cm)) return ; 
if (files && _AN_Read_length("length", files) && window.FileReader && window.File) { 
var n = _AN_Read_length("length", files), text = Array(n), read = 0; 
var loadFile = function (file, i){ 
var reader = new FileReader(); 
reader.onload = operation(cm, function (){ 
text[i] = reader.result; 
if (++read == n) { 
pos = clipPos(cm.doc, pos); 
var change = { 
from: pos,
to: pos,
text: splitLines(text.join("\n")),
origin: "paste"}
; 
makeChange(cm.doc, change); 
setSelectionReplaceHistory(cm.doc, simpleSelection(pos, changeEnd(change))); 
} 
} 
); 
reader.readAsText(file); 
} 
; 
for (var i = 0; 
i < n; ++i)loadFile(files[i], i); 
} 
 else { 
if (cm.state.draggingText && cm.doc.sel.contains(pos) > -1) { 
cm.state.draggingText(e); 
_AN_Call_settimeout("setTimeout", window, function (){ 
cm.display.input.focus(); 
} 
, 20); 
return ; 
} 
try { 
var text = e.dataTransfer.getData("Text"); 
if (text) { 
if (cm.state.draggingText && !(mac? e.metaKey: e.ctrlKey)) var selected = cm.listSelections(); 
setSelectionNoUndo(cm.doc, simpleSelection(pos, pos)); 
if (selected) for (var i = 0; 
i < _AN_Read_length("length", selected); ++i)replaceRange(cm.doc, "", selected[i].anchor, selected[i].head, "drag"); 
cm.replaceSelection(text, "around", "paste"); 
cm.display.input.focus(); 
} 
} 
catch (e) { 
} 
} 
} 
function onDragStart(cm, e){ 
if (ie && (!cm.state.draggingText || + new Date() - lastDrop < 100)) { 
e_stop(e); 
return ; 
} 
if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) return ; 
e.dataTransfer.setData("Text", cm.getSelection()); 
if (e.dataTransfer.setDragImage && !safari) { 
var img = elt("img", null , null , "position: fixed; left: 0; top: 0;"); 
_AN_Write_src("src", img, false , "data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="); 
if (presto) { 
img.width = img.height = 1; 
_AN_Call_appendchild("appendChild", cm.display.wrapper, img); 
img._top = img.offsetTop; 
} 
e.dataTransfer.setDragImage(img, 0, 0); 
if (presto) img.parentNode.removeChild(img); 
} 
} 
function setScrollTop(cm, val){ 
if (Math.abs(cm.doc.scrollTop - val) < 2) return ; 
cm.doc.scrollTop = val; 
if (!gecko) updateDisplaySimple(cm, { 
top: val}
); 
if (cm.display.scroller.scrollTop != val) cm.display.scroller.scrollTop = val; 
cm.display.scrollbars.setScrollTop(val); 
if (gecko) updateDisplaySimple(cm); 
startWorker(cm, 100); 
} 
function setScrollLeft(cm, val, isScroller){ 
if (isScroller? val == cm.doc.scrollLeft: Math.abs(cm.doc.scrollLeft - val) < 2) return ; 
val = Math.min(val, cm.display.scroller.scrollWidth - cm.display.scroller.clientWidth); 
cm.doc.scrollLeft = val; 
alignHorizontally(cm); 
if (cm.display.scroller.scrollLeft != val) cm.display.scroller.scrollLeft = val; 
cm.display.scrollbars.setScrollLeft(val); 
} 
var wheelSamples = 0, wheelPixelsPerUnit = null ; 
if (ie) wheelPixelsPerUnit = -0.53; 
 else if (gecko) wheelPixelsPerUnit = 15; 
 else if (chrome) wheelPixelsPerUnit = -0.7; 
 else if (safari) wheelPixelsPerUnit = -1 / 3; 
var wheelEventDelta = function (e){ 
var dx = e.wheelDeltaX, dy = e.wheelDeltaY; 
if (dx == null  && e.detail && e.axis == e.HORIZONTAL_AXIS) dx = e.detail; 
if (dy == null  && e.detail && e.axis == e.VERTICAL_AXIS) dy = e.detail; 
 else if (dy == null ) dy = e.wheelDelta; 
return { 
x: dx,
y: dy}
; 
} 
; 
CodeMirror.wheelEventPixels = function (e){ 
var delta = wheelEventDelta(e); 
delta.x *= wheelPixelsPerUnit; 
delta.y *= wheelPixelsPerUnit; 
return delta; 
} 
; 
function onScrollWheel(cm, e){ 
var delta = wheelEventDelta(e), dx = delta.x, dy = delta.y; 
var display = cm.display, scroll = display.scroller; 
if (!(dx && scroll.scrollWidth > scroll.clientWidth || dy && scroll.scrollHeight > scroll.clientHeight)) return ; 
if (dy && mac && webkit) { 
outer: for (var cur = _AN_Read_target("target", e), view = display.view; 
cur != scroll; cur = cur.parentNode){ 
for (var i = 0; 
i < _AN_Read_length("length", view); i++ ){ 
if (view[i].node == cur) { 
cm.display.currentWheelTarget = cur; 
break outer; 
} 
} 
} 
} 
if (dx && !gecko && !presto && wheelPixelsPerUnit != null ) { 
if (dy) setScrollTop(cm, Math.max(0, Math.min(scroll.scrollTop + dy * wheelPixelsPerUnit, scroll.scrollHeight - scroll.clientHeight))); 
setScrollLeft(cm, Math.max(0, Math.min(scroll.scrollLeft + dx * wheelPixelsPerUnit, scroll.scrollWidth - scroll.clientWidth))); 
e_preventDefault(e); 
display.wheelStartX = null ; 
return ; 
} 
if (dy && wheelPixelsPerUnit != null ) { 
var pixels = dy * wheelPixelsPerUnit; 
var top = cm.doc.scrollTop, bot = top + display.wrapper.clientHeight; 
if (pixels < 0) top = Math.max(0, top + pixels - 50); 
 else bot = Math.min(cm.doc.height, bot + pixels + 50); 
updateDisplaySimple(cm, { 
top: top,
bottom: bot}
); 
} 
if (wheelSamples < 20) { 
if (display.wheelStartX == null ) { 
display.wheelStartX = scroll.scrollLeft; 
display.wheelStartY = scroll.scrollTop; 
display.wheelDX = dx; 
display.wheelDY = dy; 
_AN_Call_settimeout("setTimeout", window, function (){ 
if (display.wheelStartX == null ) return ; 
var movedX = scroll.scrollLeft - display.wheelStartX; 
var movedY = scroll.scrollTop - display.wheelStartY; 
var sample = (movedY && display.wheelDY && movedY / display.wheelDY) || (movedX && display.wheelDX && movedX / display.wheelDX); 
display.wheelStartX = display.wheelStartY = null ; 
if (!sample) return ; 
wheelPixelsPerUnit = (wheelPixelsPerUnit * wheelSamples + sample) / (wheelSamples + 1); 
++wheelSamples; 
} 
, 200); 
} 
 else { 
display.wheelDX += dx; 
display.wheelDY += dy; 
} 
} 
} 
function doHandleBinding(cm, bound, dropShift){ 
if (typeof bound == "string") { 
bound = commands[bound]; 
if (!bound) return false ; 
} 
cm.display.input.ensurePolled(); 
var prevShift = cm.display.shift, done = false ; 
try { 
if (isReadOnly(cm)) cm.state.suppressEdits = true ; 
if (dropShift) cm.display.shift = false ; 
done = bound(cm) != Pass; 
} 
finally{ 
cm.display.shift = prevShift; 
cm.state.suppressEdits = false ; 
} 
return done; 
} 
function lookupKeyForEditor(cm, name, handle){ 
for (var i = 0; 
i < _AN_Read_length("length", cm.state.keyMaps); i++ ){ 
var result = lookupKey(name, cm.state.keyMaps[i], handle, cm); 
if (result) return result; 
} 
return (cm.options.extraKeys && lookupKey(name, cm.options.extraKeys, handle, cm)) || lookupKey(name, cm.options.keyMap, handle, cm); 
} 
var stopSeq = new Delayed(); 
function dispatchKey(cm, name, e, handle){ 
var seq = cm.state.keySeq; 
if (seq) { 
if (isModifierKey(name)) return "handled"; 
stopSeq.set(50, function (){ 
if (cm.state.keySeq == seq) { 
cm.state.keySeq = null ; 
cm.display.input.reset(); 
} 
} 
); 
name = seq + " " + name; 
} 
var result = lookupKeyForEditor(cm, name, handle); 
if (result == "multi") cm.state.keySeq = name; 
if (result == "handled") signalLater(cm, "keyHandled", cm, name, e); 
if (result == "handled" || result == "multi") { 
e_preventDefault(e); 
restartBlink(cm); 
} 
if (seq && !result && /\'$/.test(name)) { 
e_preventDefault(e); 
return true ; 
} 
return !!result; 
} 
function handleKeyBinding(cm, e){ 
var name = keyName(e, true ); 
if (!name) return false ; 
if (e.shiftKey && !cm.state.keySeq) { 
return dispatchKey(cm, "Shift-" + name, e, function (b){ 
return doHandleBinding(cm, b, true ); 
} 
) || dispatchKey(cm, name, e, function (b){ 
if (typeof b == "string"? /^go[A-Z]/.test(b): b.motion) return doHandleBinding(cm, b); 
} 
); 
} 
 else { 
return dispatchKey(cm, name, e, function (b){ 
return doHandleBinding(cm, b); 
} 
); 
} 
} 
function handleCharBinding(cm, e, ch){ 
return dispatchKey(cm, "'" + ch + "'", e, function (b){ 
return doHandleBinding(cm, b, true ); 
} 
); 
} 
var lastStoppedKey = null ; 
function onKeyDown(e){ 
var cm = this; 
ensureFocus(cm); 
if (signalDOMEvent(cm, e)) return ; 
if (ie && ie_version < 11 && e.keyCode == 27) e.returnValue = false ; 
var code = e.keyCode; 
cm.display.shift = code == 16 || e.shiftKey; 
var handled = handleKeyBinding(cm, e); 
if (presto) { 
lastStoppedKey = handled? code: null ; 
if (!handled && code == 88 && !hasCopyEvent && (mac? e.metaKey: e.ctrlKey)) cm.replaceSelection("", null , "cut"); 
} 
if (code == 18 && !/\bCodeMirror-crosshair\b/.test(cm.display.lineDiv.className)) showCrossHair(cm); 
} 
function showCrossHair(cm){ 
var lineDiv = cm.display.lineDiv; 
addClass(lineDiv, "CodeMirror-crosshair"); 
function up(e){ 
if (e.keyCode == 18 || !e.altKey) { 
rmClass(lineDiv, "CodeMirror-crosshair"); 
off(document, "keyup", up); 
off(document, "mouseover", up); 
} 
} 
on(document, "keyup", up); 
on(document, "mouseover", up); 
} 
function onKeyUp(e){ 
if (e.keyCode == 16) this.doc.sel.shift = false ; 
signalDOMEvent(this, e); 
} 
function onKeyPress(e){ 
var cm = this; 
if (eventInWidget(cm.display, e) || signalDOMEvent(cm, e) || e.ctrlKey && !e.altKey || mac && e.metaKey) return ; 
var keyCode = e.keyCode, charCode = e.charCode; 
if (presto && keyCode == lastStoppedKey) { 
lastStoppedKey = null ; 
e_preventDefault(e); 
return ; 
} 
if ((presto && (!e.which || e.which < 10)) && handleKeyBinding(cm, e)) return ; 
var ch = String.fromCharCode(charCode == null ? keyCode: charCode); 
if (handleCharBinding(cm, e, ch)) return ; 
cm.display.input.onKeyPress(e); 
} 
function delayBlurEvent(cm){ 
cm.state.delayingBlurEvent = true ; 
_AN_Call_settimeout("setTimeout", window, function (){ 
if (cm.state.delayingBlurEvent) { 
cm.state.delayingBlurEvent = false ; 
onBlur(cm); 
} 
} 
, 100); 
} 
function onFocus(cm){ 
if (cm.state.delayingBlurEvent) cm.state.delayingBlurEvent = false ; 
if (cm.options.readOnly == "nocursor") return ; 
if (!cm.state.focused) { 
signal(cm, "focus", cm); 
cm.state.focused = true ; 
addClass(cm.display.wrapper, "CodeMirror-focused"); 
if (!cm.curOp && cm.display.selForContextMenu != cm.doc.sel) { 
cm.display.input.reset(); 
if (webkit) _AN_Call_settimeout("setTimeout", window, function (){ 
cm.display.input.reset(true ); 
} 
, 20); 
} 
cm.display.input.receivedFocus(); 
} 
restartBlink(cm); 
} 
function onBlur(cm){ 
if (cm.state.delayingBlurEvent) return ; 
if (cm.state.focused) { 
signal(cm, "blur", cm); 
cm.state.focused = false ; 
rmClass(cm.display.wrapper, "CodeMirror-focused"); 
} 
clearInterval(cm.display.blinker); 
_AN_Call_settimeout("setTimeout", window, function (){ 
if (!cm.state.focused) cm.display.shift = false ; 
} 
, 150); 
} 
function onContextMenu(cm, e){ 
if (eventInWidget(cm.display, e) || contextMenuInGutter(cm, e)) return ; 
cm.display.input.onContextMenu(e); 
} 
function contextMenuInGutter(cm, e){ 
if (!hasHandler(cm, "gutterContextMenu")) return false ; 
return gutterEvent(cm, e, "gutterContextMenu", false , signal); 
} 
var changeEnd = CodeMirror.changeEnd = function (change){ 
if (!change.text) return change.to; 
return Pos(change.from.line + _AN_Read_length("length", change.text) - 1, _AN_Read_length("length", lst(change.text)) + (_AN_Read_length("length", change.text) == 1? change.from.ch: 0)); 
} 
; 
function adjustForChange(pos, change){ 
if (cmp(pos, change.from) < 0) return pos; 
if (cmp(pos, change.to) <= 0) return changeEnd(change); 
var line = pos.line + _AN_Read_length("length", change.text) - (change.to.line - change.from.line) - 1, ch = pos.ch; 
if (pos.line == change.to.line) ch += changeEnd(change).ch - change.to.ch; 
return Pos(line, ch); 
} 
function computeSelAfterChange(doc, change){ 
var out = [] ; 
for (var i = 0; 
i < _AN_Read_length("length", doc.sel.ranges); i++ ){ 
var range = doc.sel.ranges[i]; 
out.push(new Range(adjustForChange(range.anchor, change), adjustForChange(range.head, change))); 
} 
return normalizeSelection(out, doc.sel.primIndex); 
} 
function offsetPos(pos, old, nw){ 
if (pos.line == old.line) return Pos(nw.line, pos.ch - old.ch + nw.ch); 
 else return Pos(nw.line + (pos.line - old.line), pos.ch); 
} 
function computeReplacedSel(doc, changes, hint){ 
var out = [] ; 
var oldPrev = Pos(doc.first, 0), newPrev = oldPrev; 
for (var i = 0; 
i < _AN_Read_length("length", changes); i++ ){ 
var change = changes[i]; 
var from = offsetPos(change.from, oldPrev, newPrev); 
var to = offsetPos(changeEnd(change), oldPrev, newPrev); 
oldPrev = change.to; 
newPrev = to; 
if (hint == "around") { 
var range = doc.sel.ranges[i], inv = cmp(range.head, range.anchor) < 0; 
out[i] = new Range(inv? to: from, inv? from: to); 
} 
 else { 
out[i] = new Range(from, from); 
} 
} 
return new Selection(out, doc.sel.primIndex); 
} 
function filterChange(doc, change, update){ 
var obj = { 
canceled: false ,
from: change.from,
to: change.to,
text: change.text,
origin: change.origin,
cancel: function (){ 
this.canceled = true ; 
} 
}
; 
if (update) obj.update = function (from, to, text, origin){ 
if (from) this.from = clipPos(doc, from); 
if (to) this.to = clipPos(doc, to); 
if (text) _AN_Write_text("text", this, false , text); 
if (origin !== undefined) this.origin = origin; 
} 
; 
signal(doc, "beforeChange", doc, obj); 
if (doc.cm) signal(doc.cm, "beforeChange", doc.cm, obj); 
if (obj.canceled) return null ; 
return { 
from: obj.from,
to: obj.to,
text: obj.text,
origin: obj.origin}
; 
} 
function makeChange(doc, change, ignoreReadOnly){ 
if (doc.cm) { 
if (!doc.cm.curOp) return operation(doc.cm, makeChange)(doc, change, ignoreReadOnly); 
if (doc.cm.state.suppressEdits) return ; 
} 
if (hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange")) { 
change = filterChange(doc, change, true ); 
if (!change) return ; 
} 
var split = sawReadOnlySpans && !ignoreReadOnly && removeReadOnlyRanges(doc, change.from, change.to); 
if (split) { 
for (var i = _AN_Read_length("length", split) - 1; 
i >= 0; --i)makeChangeInner(doc, { 
from: split[i].from,
to: split[i].to,
text: i? [""] : change.text}
); 
} 
 else { 
makeChangeInner(doc, change); 
} 
} 
function makeChangeInner(doc, change){ 
if (_AN_Read_length("length", change.text) == 1 && change.text[0] == "" && cmp(change.from, change.to) == 0) return ; 
var selAfter = computeSelAfterChange(doc, change); 
addChangeToHistory(doc, change, selAfter, doc.cm? doc.cm.curOp.id: NaN); 
makeChangeSingleDoc(doc, change, selAfter, stretchSpansOverChange(doc, change)); 
var rebased = [] ; 
linkedDocs(doc, function (doc, sharedHist){ 
if (!sharedHist && indexOf(rebased, doc.history) == -1) { 
rebaseHist(doc.history, change); 
rebased.push(doc.history); 
} 
makeChangeSingleDoc(doc, change, null , stretchSpansOverChange(doc, change)); 
} 
); 
} 
function makeChangeFromHistory(doc, type, allowSelectionOnly){ 
if (doc.cm && doc.cm.state.suppressEdits) return ; 
var hist = doc.history, event, selAfter = doc.sel; 
var source = type == "undo"? hist.done: hist.undone, dest = type == "undo"? hist.undone: hist.done; 
for (var i = 0; 
i < _AN_Read_length("length", source); i++ ){ 
event = source[i]; 
if (allowSelectionOnly? event.ranges && !event.equals(doc.sel): !event.ranges) break ; 
} 
if (i == _AN_Read_length("length", source)) return ; 
hist.lastOrigin = hist.lastSelOrigin = null ; 
for (; ; ){ 
event = source.pop(); 
if (event.ranges) { 
pushSelectionToHistory(event, dest); 
if (allowSelectionOnly && !event.equals(doc.sel)) { 
setSelection(doc, event, { 
clearRedo: false }
); 
return ; 
} 
selAfter = event; 
} 
 else break ; 
} 
var antiChanges = [] ; 
pushSelectionToHistory(selAfter, dest); 
dest.push({ 
changes: antiChanges,
generation: hist.generation}
); 
hist.generation = event.generation || ++hist.maxGeneration; 
var filter = hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange"); 
for (var i = _AN_Read_length("length", event.changes) - 1; 
i >= 0; --i){ 
var change = event.changes[i]; 
change.origin = type; 
if (filter && !filterChange(doc, change, false )) { 
source.length = 0; 
return ; 
} 
antiChanges.push(historyChangeFromChange(doc, change)); 
var after = i? computeSelAfterChange(doc, change): lst(source); 
makeChangeSingleDoc(doc, change, after, mergeOldSpans(doc, change)); 
if (!i && doc.cm) doc.cm.scrollIntoView({ 
from: change.from,
to: changeEnd(change)}
); 
var rebased = [] ; 
linkedDocs(doc, function (doc, sharedHist){ 
if (!sharedHist && indexOf(rebased, doc.history) == -1) { 
rebaseHist(doc.history, change); 
rebased.push(doc.history); 
} 
makeChangeSingleDoc(doc, change, null , mergeOldSpans(doc, change)); 
} 
); 
} 
} 
function shiftDoc(doc, distance){ 
if (distance == 0) return ; 
doc.first += distance; 
doc.sel = new Selection(map(doc.sel.ranges, function (range){ 
return new Range(Pos(range.anchor.line + distance, range.anchor.ch), Pos(range.head.line + distance, range.head.ch)); 
} 
), doc.sel.primIndex); 
if (doc.cm) { 
regChange(doc.cm, doc.first, doc.first - distance, distance); 
for (var d = doc.cm.display, l = d.viewFrom; 
l < d.viewTo; l++ )regLineChange(doc.cm, l, "gutter"); 
} 
} 
function makeChangeSingleDoc(doc, change, selAfter, spans){ 
if (doc.cm && !doc.cm.curOp) return operation(doc.cm, makeChangeSingleDoc)(doc, change, selAfter, spans); 
if (change.to.line < doc.first) { 
shiftDoc(doc, _AN_Read_length("length", change.text) - 1 - (change.to.line - change.from.line)); 
return ; 
} 
if (change.from.line > doc.lastLine()) return ; 
if (change.from.line < doc.first) { 
var shift = _AN_Read_length("length", change.text) - 1 - (doc.first - change.from.line); 
shiftDoc(doc, shift); 
change = { 
from: Pos(doc.first, 0),
to: Pos(change.to.line + shift, change.to.ch),
text: [lst(change.text)] ,
origin: change.origin}
; 
} 
var last = doc.lastLine(); 
if (change.to.line > last) { 
change = { 
from: change.from,
to: Pos(last, _AN_Read_length("length", getLine(doc, last).text)),
text: [change.text[0]] ,
origin: change.origin}
; 
} 
change.removed = getBetween(doc, change.from, change.to); 
if (!selAfter) selAfter = computeSelAfterChange(doc, change); 
if (doc.cm) makeChangeSingleDocInEditor(doc.cm, change, spans); 
 else updateDoc(doc, change, spans); 
setSelectionNoUndo(doc, selAfter, sel_dontScroll); 
} 
function makeChangeSingleDocInEditor(cm, change, spans){ 
var doc = cm.doc, display = cm.display, from = change.from, to = change.to; 
var recomputeMaxLength = false , checkWidthStart = from.line; 
if (!cm.options.lineWrapping) { 
checkWidthStart = lineNo(visualLine(getLine(doc, from.line))); 
doc.iter(checkWidthStart, to.line + 1, function (line){ 
if (line == display.maxLine) { 
recomputeMaxLength = true ; 
return true ; 
} 
} 
); 
} 
if (doc.sel.contains(change.from, change.to) > -1) signalCursorActivity(cm); 
updateDoc(doc, change, spans, estimateHeight(cm)); 
if (!cm.options.lineWrapping) { 
doc.iter(checkWidthStart, from.line + _AN_Read_length("length", change.text), function (line){ 
var len = lineLength(line); 
if (len > display.maxLineLength) { 
display.maxLine = line; 
display.maxLineLength = len; 
display.maxLineChanged = true ; 
recomputeMaxLength = false ; 
} 
} 
); 
if (recomputeMaxLength) cm.curOp.updateMaxLine = true ; 
} 
doc.frontier = Math.min(doc.frontier, from.line); 
startWorker(cm, 400); 
var lendiff = _AN_Read_length("length", change.text) - (to.line - from.line) - 1; 
if (change.full) regChange(cm); 
 else if (from.line == to.line && _AN_Read_length("length", change.text) == 1 && !isWholeLineUpdate(cm.doc, change)) regLineChange(cm, from.line, "text"); 
 else regChange(cm, from.line, to.line + 1, lendiff); 
var changesHandler = hasHandler(cm, "changes"), changeHandler = hasHandler(cm, "change"); 
if (changeHandler || changesHandler) { 
var obj = { 
from: from,
to: to,
text: change.text,
removed: change.removed,
origin: change.origin}
; 
if (changeHandler) signalLater(cm, "change", cm, obj); 
if (changesHandler) (cm.curOp.changeObjs || (cm.curOp.changeObjs = [] )).push(obj); 
} 
cm.display.selForContextMenu = null ; 
} 
function replaceRange(doc, code, from, to, origin){ 
if (!to) to = from; 
if (cmp(to, from) < 0) { 
var tmp = to; 
to = from; 
from = tmp; 
} 
if (typeof code == "string") code = splitLines(code); 
makeChange(doc, { 
from: from,
to: to,
text: code,
origin: origin}
); 
} 
function maybeScrollWindow(cm, coords){ 
if (signalDOMEvent(cm, "scrollCursorIntoView")) return ; 
var display = cm.display, box = display.sizer.getBoundingClientRect(), doScroll = null ; 
if (coords.top + box.top < 0) doScroll = true ; 
 else if (coords.bottom + box.top > (window.innerHeight || document.documentElement.clientHeight)) doScroll = false ; 
if (doScroll != null  && !phantom) { 
var scrollNode = elt("div", "\u200b", null , "position: absolute; top: " + (coords.top - display.viewOffset - paddingTop(cm.display)) + "px; height: " + (coords.bottom - coords.top + scrollGap(cm) + display.barHeight) + "px; left: " + coords.left + "px; width: 2px;"); 
_AN_Call_appendchild("appendChild", cm.display.lineSpace, scrollNode); 
scrollNode.scrollIntoView(doScroll); 
cm.display.lineSpace.removeChild(scrollNode); 
} 
} 
function scrollPosIntoView(cm, pos, end, margin){ 
if (margin == null ) margin = 0; 
for (var limit = 0; 
limit < 5; limit++ ){ 
var changed = false , coords = cursorCoords(cm, pos); 
var endCoords = !end || end == pos? coords: cursorCoords(cm, end); 
var scrollPos = calculateScrollPos(cm, Math.min(coords.left, endCoords.left), Math.min(coords.top, endCoords.top) - margin, Math.max(coords.left, endCoords.left), Math.max(coords.bottom, endCoords.bottom) + margin); 
var startTop = cm.doc.scrollTop, startLeft = cm.doc.scrollLeft; 
if (scrollPos.scrollTop != null ) { 
setScrollTop(cm, scrollPos.scrollTop); 
if (Math.abs(cm.doc.scrollTop - startTop) > 1) changed = true ; 
} 
if (scrollPos.scrollLeft != null ) { 
setScrollLeft(cm, scrollPos.scrollLeft); 
if (Math.abs(cm.doc.scrollLeft - startLeft) > 1) changed = true ; 
} 
if (!changed) break ; 
} 
return coords; 
} 
function scrollIntoView(cm, x1, y1, x2, y2){ 
var scrollPos = calculateScrollPos(cm, x1, y1, x2, y2); 
if (scrollPos.scrollTop != null ) setScrollTop(cm, scrollPos.scrollTop); 
if (scrollPos.scrollLeft != null ) setScrollLeft(cm, scrollPos.scrollLeft); 
} 
function calculateScrollPos(cm, x1, y1, x2, y2){ 
var display = cm.display, snapMargin = textHeight(cm.display); 
if (y1 < 0) y1 = 0; 
var screentop = cm.curOp && cm.curOp.scrollTop != null ? cm.curOp.scrollTop: display.scroller.scrollTop; 
var screen = displayHeight(cm), result = { 
}
; 
if (y2 - y1 > screen) y2 = y1 + screen; 
var docBottom = cm.doc.height + paddingVert(display); 
var atTop = y1 < snapMargin, atBottom = y2 > docBottom - snapMargin; 
if (y1 < screentop) { 
result.scrollTop = atTop? 0: y1; 
} 
 else if (y2 > screentop + screen) { 
var newTop = Math.min(y1, (atBottom? docBottom: y2) - screen); 
if (newTop != screentop) result.scrollTop = newTop; 
} 
var screenleft = cm.curOp && cm.curOp.scrollLeft != null ? cm.curOp.scrollLeft: display.scroller.scrollLeft; 
var screenw = displayWidth(cm) - (cm.options.fixedGutter? display.gutters.offsetWidth: 0); 
var tooWide = x2 - x1 > screenw; 
if (tooWide) x2 = x1 + screenw; 
if (x1 < 10) result.scrollLeft = 0; 
 else if (x1 < screenleft) result.scrollLeft = Math.max(0, x1 - (tooWide? 0: 10)); 
 else if (x2 > screenw + screenleft - 3) result.scrollLeft = x2 + (tooWide? 0: 10) - screenw; 
return result; 
} 
function addToScrollPos(cm, left, top){ 
if (left != null  || top != null ) resolveScrollToPos(cm); 
if (left != null ) cm.curOp.scrollLeft = (cm.curOp.scrollLeft == null ? cm.doc.scrollLeft: cm.curOp.scrollLeft) + left; 
if (top != null ) cm.curOp.scrollTop = (cm.curOp.scrollTop == null ? cm.doc.scrollTop: cm.curOp.scrollTop) + top; 
} 
function ensureCursorVisible(cm){ 
resolveScrollToPos(cm); 
var cur = cm.getCursor(), from = cur, to = cur; 
if (!cm.options.lineWrapping) { 
from = cur.ch? Pos(cur.line, cur.ch - 1): cur; 
to = Pos(cur.line, cur.ch + 1); 
} 
cm.curOp.scrollToPos = { 
from: from,
to: to,
margin: cm.options.cursorScrollMargin,
isCursor: true }
; 
} 
function resolveScrollToPos(cm){ 
var range = cm.curOp.scrollToPos; 
if (range) { 
cm.curOp.scrollToPos = null ; 
var from = estimateCoords(cm, range.from), to = estimateCoords(cm, range.to); 
var sPos = calculateScrollPos(cm, Math.min(from.left, to.left), Math.min(from.top, to.top) - range.margin, Math.max(from.right, to.right), Math.max(from.bottom, to.bottom) + range.margin); 
cm.scrollTo(sPos.scrollLeft, sPos.scrollTop); 
} 
} 
function indentLine(cm, n, how, aggressive){ 
var doc = cm.doc, state; 
if (how == null ) how = "add"; 
if (how == "smart") { 
if (!doc.mode.indent) how = "prev"; 
 else state = getStateBefore(cm, n); 
} 
var tabSize = cm.options.tabSize; 
var line = getLine(doc, n), curSpace = countColumn(line.text, null , tabSize); 
if (line.stateAfter) line.stateAfter = null ; 
var curSpaceString = line.text.match(/^\s*/)[0], indentation; 
if (!aggressive && !/\S/.test(line.text)) { 
indentation = 0; 
how = "not"; 
} 
 else if (how == "smart") { 
indentation = doc.mode.indent(state, line.text.slice(_AN_Read_length("length", curSpaceString)), line.text); 
if (indentation == Pass || indentation > 150) { 
if (!aggressive) return ; 
how = "prev"; 
} 
} 
if (how == "prev") { 
if (n > doc.first) indentation = countColumn(getLine(doc, n - 1).text, null , tabSize); 
 else indentation = 0; 
} 
 else if (how == "add") { 
indentation = curSpace + cm.options.indentUnit; 
} 
 else if (how == "subtract") { 
indentation = curSpace - cm.options.indentUnit; 
} 
 else if (typeof how == "number") { 
indentation = curSpace + how; 
} 
indentation = Math.max(0, indentation); 
var indentString = "", pos = 0; 
if (cm.options.indentWithTabs) for (var i = Math.floor(indentation / tabSize); 
i; --i){ 
pos += tabSize; 
indentString += "\t"; 
} 
if (pos < indentation) indentString += spaceStr(indentation - pos); 
if (indentString != curSpaceString) { 
replaceRange(doc, indentString, Pos(n, 0), Pos(n, _AN_Read_length("length", curSpaceString)), "+input"); 
} 
 else { 
for (var i = 0; 
i < _AN_Read_length("length", doc.sel.ranges); i++ ){ 
var range = doc.sel.ranges[i]; 
if (range.head.line == n && range.head.ch < _AN_Read_length("length", curSpaceString)) { 
var pos = Pos(n, _AN_Read_length("length", curSpaceString)); 
replaceOneSelection(doc, i, new Range(pos, pos)); 
break ; 
} 
} 
} 
line.stateAfter = null ; 
} 
function changeLine(doc, handle, changeType, op){ 
var no = handle, line = handle; 
if (typeof handle == "number") line = getLine(doc, clipLine(doc, handle)); 
 else no = lineNo(handle); 
if (no == null ) return null ; 
if (op(line, no) && doc.cm) regLineChange(doc.cm, no, changeType); 
return line; 
} 
function deleteNearSelection(cm, compute){ 
var ranges = cm.doc.sel.ranges, kill = [] ; 
for (var i = 0; 
i < _AN_Read_length("length", ranges); i++ ){ 
var toKill = compute(ranges[i]); 
while (_AN_Read_length("length", kill) && cmp(toKill.from, lst(kill).to) <= 0){ 
var replaced = kill.pop(); 
if (cmp(replaced.from, toKill.from) < 0) { 
toKill.from = replaced.from; 
break ; 
} 
} 
kill.push(toKill); 
} 
runInOp(cm, function (){ 
for (var i = _AN_Read_length("length", kill) - 1; 
i >= 0; i-- )replaceRange(cm.doc, "", kill[i].from, kill[i].to, "+delete"); 
ensureCursorVisible(cm); 
} 
); 
} 
function findPosH(doc, pos, dir, unit, visually){ 
var line = pos.line, ch = pos.ch, origDir = dir; 
var lineObj = getLine(doc, line); 
var possible = true ; 
function findNextLine(){ 
var l = line + dir; 
if (l < doc.first || l >= doc.first + doc.size) return (possible = false ); 
line = l; 
return lineObj = getLine(doc, l); 
} 
function moveOnce(boundToLine){ 
var next = (visually? moveVisually: moveLogically)(lineObj, ch, dir, true ); 
if (next == null ) { 
if (!boundToLine && findNextLine()) { 
if (visually) ch = (dir < 0? lineRight: lineLeft)(lineObj); 
 else ch = dir < 0? _AN_Read_length("length", lineObj.text): 0; 
} 
 else return (possible = false ); 
} 
 else ch = next; 
return true ; 
} 
if (unit == "char") moveOnce(); 
 else if (unit == "column") moveOnce(true ); 
 else if (unit == "word" || unit == "group") { 
var sawType = null , group = unit == "group"; 
var helper = doc.cm && doc.cm.getHelper(pos, "wordChars"); 
for (var first = true ; 
; first = false ){ 
if (dir < 0 && !moveOnce(!first)) break ; 
var cur = lineObj.text.charAt(ch) || "\n"; 
var type = isWordChar(cur, helper)? "w": group && cur == "\n"? "n": !group || /\s/.test(cur)? null : "p"; 
if (group && !first && !type) type = "s"; 
if (sawType && sawType != type) { 
if (dir < 0) { 
dir = 1; 
moveOnce(); 
} 
break ; 
} 
if (type) sawType = type; 
if (dir > 0 && !moveOnce(!first)) break ; 
} 
} 
var result = skipAtomic(doc, Pos(line, ch), origDir, true ); 
if (!possible) result.hitSide = true ; 
return result; 
} 
function findPosV(cm, pos, dir, unit){ 
var doc = cm.doc, x = pos.left, y; 
if (unit == "page") { 
var pageSize = Math.min(cm.display.wrapper.clientHeight, window.innerHeight || document.documentElement.clientHeight); 
y = pos.top + dir * (pageSize - (dir < 0? 1.5: 0.5) * textHeight(cm.display)); 
} 
 else if (unit == "line") { 
y = dir > 0? pos.bottom + 3: pos.top - 3; 
} 
for (; ; ){ 
var target = coordsChar(cm, x, y); 
if (!target.outside) break ; 
if (dir < 0? y <= 0: y >= doc.height) { 
target.hitSide = true ; 
break ; 
} 
y += dir * 5; 
} 
return target; 
} 
CodeMirror.prototype = { 
constructor: CodeMirror,
focus: function (){ 
window.focus(); 
this.display.input.focus(); 
} 
,
setOption: function (option, value){ 
var options = this.options, old = options[option]; 
if (options[option] == value && option != "mode") return ; 
options[option] = value; 
if (optionHandlers.hasOwnProperty(option)) operation(this, optionHandlers[option])(this, value, old); 
} 
,
getOption: function (option){ 
return this.options[option]; 
} 
,
getDoc: function (){ 
return this.doc; 
} 
,
addKeyMap: function (map, bottom){ 
this.state.keyMaps[bottom? "push": "unshift"](getKeyMap(map)); 
} 
,
removeKeyMap: function (map){ 
var maps = this.state.keyMaps; 
for (var i = 0; 
i < _AN_Read_length("length", maps); ++i)if (maps[i] == map || maps[i].name == map) { 
maps.splice(i, 1); 
return true ; 
} 
} 
,
addOverlay: methodOp(function (spec, options){ 
var mode = spec.token? spec: CodeMirror.getMode(this.options, spec); 
if (mode.startState) throw new Error("Overlays may not be stateful.")
this.state.overlays.push({ 
mode: mode,
modeSpec: spec,
opaque: options && options.opaque}
); 
this.state.modeGen++ ; 
regChange(this); 
} 
),
removeOverlay: methodOp(function (spec){ 
var overlays = this.state.overlays; 
for (var i = 0; 
i < _AN_Read_length("length", overlays); ++i){ 
var cur = overlays[i].modeSpec; 
if (cur == spec || typeof spec == "string" && cur.name == spec) { 
overlays.splice(i, 1); 
this.state.modeGen++ ; 
regChange(this); 
return ; 
} 
} 
} 
),
indentLine: methodOp(function (n, dir, aggressive){ 
if (typeof dir != "string" && typeof dir != "number") { 
if (dir == null ) dir = this.options.smartIndent? "smart": "prev"; 
 else dir = dir? "add": "subtract"; 
} 
if (isLine(this.doc, n)) indentLine(this, n, dir, aggressive); 
} 
),
indentSelection: methodOp(function (how){ 
var ranges = this.doc.sel.ranges, end = -1; 
for (var i = 0; 
i < _AN_Read_length("length", ranges); i++ ){ 
var range = ranges[i]; 
if (!range.empty()) { 
var from = range.from(), to = range.to(); 
var start = Math.max(end, from.line); 
end = Math.min(this.lastLine(), to.line - (to.ch? 0: 1)) + 1; 
for (var j = start; 
j < end; ++j)indentLine(this, j, how); 
var newRanges = this.doc.sel.ranges; 
if (from.ch == 0 && _AN_Read_length("length", ranges) == _AN_Read_length("length", newRanges) && newRanges[i].from().ch > 0) replaceOneSelection(this.doc, i, new Range(from, newRanges[i].to()), sel_dontScroll); 
} 
 else if (range.head.line > end) { 
indentLine(this, range.head.line, how, true ); 
end = range.head.line; 
if (i == this.doc.sel.primIndex) ensureCursorVisible(this); 
} 
} 
} 
),
getTokenAt: function (pos, precise){ 
return takeToken(this, pos, precise); 
} 
,
getLineTokens: function (line, precise){ 
return takeToken(this, Pos(line), precise, true ); 
} 
,
getTokenTypeAt: function (pos){ 
pos = clipPos(this.doc, pos); 
var styles = getLineStyles(this, getLine(this.doc, pos.line)); 
var before = 0, after = (_AN_Read_length("length", styles) - 1) / 2, ch = pos.ch; 
var type; 
if (ch == 0) type = styles[2]; 
 else for (; ; ){ 
var mid = (before + after) >> 1; 
if ((mid? styles[mid * 2 - 1]: 0) >= ch) after = mid; 
 else if (styles[mid * 2 + 1] < ch) before = mid + 1; 
 else { 
type = styles[mid * 2 + 2]; 
break ; 
} 
} 
var cut = type? type.indexOf("cm-overlay "): -1; 
return cut < 0? type: cut == 0? null : type.slice(0, cut - 1); 
} 
,
getModeAt: function (pos){ 
var mode = this.doc.mode; 
if (!mode.innerMode) return mode; 
return CodeMirror.innerMode(mode, this.getTokenAt(pos).state).mode; 
} 
,
getHelper: function (pos, type){ 
return this.getHelpers(pos, type)[0]; 
} 
,
getHelpers: function (pos, type){ 
var found = [] ; 
if (!helpers.hasOwnProperty(type)) return found; 
var help = helpers[type], mode = this.getModeAt(pos); 
if (typeof mode[type] == "string") { 
if (help[mode[type]]) found.push(help[mode[type]]); 
} 
 else if (mode[type]) { 
for (var i = 0; 
i < _AN_Read_length("length", mode[type]); i++ ){ 
var val = help[mode[type][i]]; 
if (val) found.push(val); 
} 
} 
 else if (mode.helperType && help[mode.helperType]) { 
found.push(help[mode.helperType]); 
} 
 else if (help[mode.name]) { 
found.push(help[mode.name]); 
} 
for (var i = 0; 
i < _AN_Read_length("length", help._global); i++ ){ 
var cur = help._global[i]; 
if (cur.pred(mode, this) && indexOf(found, cur.val) == -1) found.push(cur.val); 
} 
return found; 
} 
,
getStateAfter: function (line, precise){ 
var doc = this.doc; 
line = clipLine(doc, line == null ? doc.first + doc.size - 1: line); 
return getStateBefore(this, line + 1, precise); 
} 
,
cursorCoords: function (start, mode){ 
var pos, range = this.doc.sel.primary(); 
if (start == null ) pos = range.head; 
 else if (typeof start == "object") pos = clipPos(this.doc, start); 
 else pos = start? range.from(): range.to(); 
return cursorCoords(this, pos, mode || "page"); 
} 
,
charCoords: function (pos, mode){ 
return charCoords(this, clipPos(this.doc, pos), mode || "page"); 
} 
,
coordsChar: function (coords, mode){ 
coords = fromCoordSystem(this, coords, mode || "page"); 
return coordsChar(this, coords.left, coords.top); 
} 
,
lineAtHeight: function (height, mode){ 
height = fromCoordSystem(this, { 
top: height,
left: 0}
, mode || "page").top; 
return lineAtHeight(this.doc, height + this.display.viewOffset); 
} 
,
heightAtLine: function (line, mode){ 
var end = false , last = this.doc.first + this.doc.size - 1; 
if (line < this.doc.first) line = this.doc.first; 
 else if (line > last) { 
line = last; 
end = true ; 
} 
var lineObj = getLine(this.doc, line); 
return intoCoordSystem(this, lineObj, { 
top: 0,
left: 0}
, mode || "page").top + (end? this.doc.height - heightAtLine(lineObj): 0); 
} 
,
defaultTextHeight: function (){ 
return textHeight(this.display); 
} 
,
defaultCharWidth: function (){ 
return charWidth(this.display); 
} 
,
setGutterMarker: methodOp(function (line, gutterID, value){ 
return changeLine(this.doc, line, "gutter", function (line){ 
var markers = line.gutterMarkers || (line.gutterMarkers = { 
}
); 
markers[gutterID] = value; 
if (!value && isEmpty(markers)) line.gutterMarkers = null ; 
return true ; 
} 
); 
} 
),
clearGutter: methodOp(function (gutterID){ 
var cm = this, doc = cm.doc, i = doc.first; 
doc.iter(function (line){ 
if (line.gutterMarkers && line.gutterMarkers[gutterID]) { 
line.gutterMarkers[gutterID] = null ; 
regLineChange(cm, i, "gutter"); 
if (isEmpty(line.gutterMarkers)) line.gutterMarkers = null ; 
} 
++i; 
} 
); 
} 
),
lineInfo: function (line){ 
if (typeof line == "number") { 
if (!isLine(this.doc, line)) return null ; 
var n = line; 
line = getLine(this.doc, line); 
if (!line) return null ; 
} 
 else { 
var n = lineNo(line); 
if (n == null ) return null ; 
} 
return { 
line: n,
handle: line,
text: line.text,
gutterMarkers: line.gutterMarkers,
textClass: line.textClass,
bgClass: line.bgClass,
wrapClass: line.wrapClass,
widgets: line.widgets}
; 
} 
,
getViewport: function (){ 
return { 
from: this.display.viewFrom,
to: this.display.viewTo}
; 
} 
,
addWidget: function (pos, node, scroll, vert, horiz){ 
var display = this.display; 
pos = cursorCoords(this, clipPos(this.doc, pos)); 
var top = pos.bottom, left = pos.left; 
node.style.position = "absolute"; 
_AN_Call_setattribute("setAttribute", node, "cm-ignore-events", "true"); 
this.display.input.setUneditable(node); 
_AN_Call_appendchild("appendChild", display.sizer, node); 
if (vert == "over") { 
top = pos.top; 
} 
 else if (vert == "above" || vert == "near") { 
var vspace = Math.max(display.wrapper.clientHeight, this.doc.height), hspace = Math.max(display.sizer.clientWidth, display.lineSpace.clientWidth); 
if ((vert == 'above' || pos.bottom + node.offsetHeight > vspace) && pos.top > node.offsetHeight) top = pos.top - node.offsetHeight; 
 else if (pos.bottom + node.offsetHeight <= vspace) top = pos.bottom; 
if (left + node.offsetWidth > hspace) left = hspace - node.offsetWidth; 
} 
node.style.top = top + "px"; 
node.style.left = node.style.right = ""; 
if (horiz == "right") { 
left = display.sizer.clientWidth - node.offsetWidth; 
node.style.right = "0px"; 
} 
 else { 
if (horiz == "left") left = 0; 
 else if (horiz == "middle") left = (display.sizer.clientWidth - node.offsetWidth) / 2; 
node.style.left = left + "px"; 
} 
if (scroll) scrollIntoView(this, left, top, left + node.offsetWidth, top + node.offsetHeight); 
} 
,
triggerOnKeyDown: methodOp(onKeyDown),
triggerOnKeyPress: methodOp(onKeyPress),
triggerOnKeyUp: onKeyUp,
execCommand: function (cmd){ 
if (commands.hasOwnProperty(cmd)) return commands[cmd](this); 
} 
,
findPosH: function (from, amount, unit, visually){ 
var dir = 1; 
if (amount < 0) { 
dir = -1; 
amount = - amount; 
} 
for (var i = 0, cur = clipPos(this.doc, from); 
i < amount; ++i){ 
cur = findPosH(this.doc, cur, dir, unit, visually); 
if (cur.hitSide) break ; 
} 
return cur; 
} 
,
moveH: methodOp(function (dir, unit){ 
var cm = this; 
cm.extendSelectionsBy(function (range){ 
if (cm.display.shift || cm.doc.extend || range.empty()) return findPosH(cm.doc, range.head, dir, unit, cm.options.rtlMoveVisually); 
 else return dir < 0? range.from(): range.to(); 
} 
, sel_move); 
} 
),
deleteH: methodOp(function (dir, unit){ 
var sel = this.doc.sel, doc = this.doc; 
if (sel.somethingSelected()) doc.replaceSelection("", null , "+delete"); 
 else deleteNearSelection(this, function (range){ 
var other = findPosH(doc, range.head, dir, unit, false ); 
return dir < 0? { 
from: other,
to: range.head}
: { 
from: range.head,
to: other}
; 
} 
); 
} 
),
findPosV: function (from, amount, unit, goalColumn){ 
var dir = 1, x = goalColumn; 
if (amount < 0) { 
dir = -1; 
amount = - amount; 
} 
for (var i = 0, cur = clipPos(this.doc, from); 
i < amount; ++i){ 
var coords = cursorCoords(this, cur, "div"); 
if (x == null ) x = coords.left; 
 else coords.left = x; 
cur = findPosV(this, coords, dir, unit); 
if (cur.hitSide) break ; 
} 
return cur; 
} 
,
moveV: methodOp(function (dir, unit){ 
var cm = this, doc = this.doc, goals = [] ; 
var collapse = !cm.display.shift && !doc.extend && doc.sel.somethingSelected(); 
doc.extendSelectionsBy(function (range){ 
if (collapse) return dir < 0? range.from(): range.to(); 
var headPos = cursorCoords(cm, range.head, "div"); 
if (range.goalColumn != null ) headPos.left = range.goalColumn; 
goals.push(headPos.left); 
var pos = findPosV(cm, headPos, dir, unit); 
if (unit == "page" && range == doc.sel.primary()) addToScrollPos(cm, null , charCoords(cm, pos, "div").top - headPos.top); 
return pos; 
} 
, sel_move); 
if (goals.length) for (var i = 0; 
i < _AN_Read_length("length", doc.sel.ranges); i++ )doc.sel.ranges[i].goalColumn = goals[i]; 
} 
),
findWordAt: function (pos){ 
var doc = this.doc, line = getLine(doc, pos.line).text; 
var start = pos.ch, end = pos.ch; 
if (line) { 
var helper = this.getHelper(pos, "wordChars"); 
if ((pos.xRel < 0 || end == _AN_Read_length("length", line)) && start) --start; 
 else ++end; 
var startChar = line.charAt(start); 
var check = isWordChar(startChar, helper)? function (ch){ 
return isWordChar(ch, helper); 
} 
: /\s/.test(startChar)? function (ch){ 
return /\s/.test(ch); 
} 
: function (ch){ 
return !/\s/.test(ch) && !isWordChar(ch); 
} 
; 
while (start > 0 && check(line.charAt(start - 1)))--start; 
while (end < _AN_Read_length("length", line) && check(line.charAt(end)))++end; 
} 
return new Range(Pos(pos.line, start), Pos(pos.line, end)); 
} 
,
toggleOverwrite: function (value){ 
if (value != null  && value == this.state.overwrite) return ; 
if (this.state.overwrite = !this.state.overwrite) addClass(this.display.cursorDiv, "CodeMirror-overwrite"); 
 else rmClass(this.display.cursorDiv, "CodeMirror-overwrite"); 
signal(this, "overwriteToggle", this, this.state.overwrite); 
} 
,
hasFocus: function (){ 
return this.display.input.getField() == activeElt(); 
} 
,
scrollTo: methodOp(function (x, y){ 
if (x != null  || y != null ) resolveScrollToPos(this); 
if (x != null ) this.curOp.scrollLeft = x; 
if (y != null ) this.curOp.scrollTop = y; 
} 
),
getScrollInfo: function (){ 
var scroller = this.display.scroller; 
return { 
left: scroller.scrollLeft,
top: scroller.scrollTop,
height: scroller.scrollHeight - scrollGap(this) - this.display.barHeight,
width: scroller.scrollWidth - scrollGap(this) - this.display.barWidth,
clientHeight: displayHeight(this),
clientWidth: displayWidth(this)}
; 
} 
,
scrollIntoView: methodOp(function (range, margin){ 
if (range == null ) { 
range = { 
from: this.doc.sel.primary().head,
to: null }
; 
if (margin == null ) margin = this.options.cursorScrollMargin; 
} 
 else if (typeof range == "number") { 
range = { 
from: Pos(range, 0),
to: null }
; 
} 
 else if (range.from == null ) { 
range = { 
from: range,
to: null }
; 
} 
if (!range.to) range.to = range.from; 
range.margin = margin || 0; 
if (range.from.line != null ) { 
resolveScrollToPos(this); 
this.curOp.scrollToPos = range; 
} 
 else { 
var sPos = calculateScrollPos(this, Math.min(range.from.left, range.to.left), Math.min(range.from.top, range.to.top) - range.margin, Math.max(range.from.right, range.to.right), Math.max(range.from.bottom, range.to.bottom) + range.margin); 
this.scrollTo(sPos.scrollLeft, sPos.scrollTop); 
} 
} 
),
setSize: methodOp(function (width, height){ 
var cm = this; 
function interpret(val){ 
return typeof val == "number" || /^\d+$/.test(String(val))? val + "px": val; 
} 
if (width != null ) cm.display.wrapper.style.width = interpret(width); 
if (height != null ) cm.display.wrapper.style.height = interpret(height); 
if (cm.options.lineWrapping) clearLineMeasurementCache(this); 
var lineNo = cm.display.viewFrom; 
cm.doc.iter(lineNo, cm.display.viewTo, function (line){ 
if (line.widgets) for (var i = 0; 
i < _AN_Read_length("length", line.widgets); i++ )if (line.widgets[i].noHScroll) { 
regLineChange(cm, lineNo, "widget"); 
break ; 
} 
++lineNo; 
} 
); 
cm.curOp.forceUpdate = true ; 
signal(cm, "refresh", this); 
} 
),
operation: function (f){ 
return runInOp(this, f); 
} 
,
refresh: methodOp(function (){ 
var oldHeight = this.display.cachedTextHeight; 
regChange(this); 
this.curOp.forceUpdate = true ; 
clearCaches(this); 
this.scrollTo(this.doc.scrollLeft, this.doc.scrollTop); 
updateGutterSpace(this); 
if (oldHeight == null  || Math.abs(oldHeight - textHeight(this.display)) > 0.5) estimateLineHeights(this); 
signal(this, "refresh", this); 
} 
),
swapDoc: methodOp(function (doc){ 
var old = this.doc; 
old.cm = null ; 
attachDoc(this, doc); 
clearCaches(this); 
this.display.input.reset(); 
this.scrollTo(doc.scrollLeft, doc.scrollTop); 
this.curOp.forceScroll = true ; 
signalLater(this, "swapDoc", this, old); 
return old; 
} 
),
getInputField: function (){ 
return this.display.input.getField(); 
} 
,
getWrapperElement: function (){ 
return this.display.wrapper; 
} 
,
getScrollerElement: function (){ 
return this.display.scroller; 
} 
,
getGutterElement: function (){ 
return this.display.gutters; 
} 
}
; 
eventMixin(CodeMirror); 
var defaults = CodeMirror.defaults = { 
}
; 
var optionHandlers = CodeMirror.optionHandlers = { 
}
; 
function option(name, deflt, handle, notOnInit){ 
CodeMirror.defaults[name] = deflt; 
if (handle) optionHandlers[name] = notOnInit? function (cm, val, old){ 
if (old != Init) handle(cm, val, old); 
} 
: handle; 
} 
var Init = CodeMirror.Init = { 
toString: function (){ 
return "CodeMirror.Init"; 
} 
}
; 
option("value", "", function (cm, val){ 
cm.setValue(val); 
} 
, true ); 
option("mode", null , function (cm, val){ 
cm.doc.modeOption = val; 
loadMode(cm); 
} 
, true ); 
option("indentUnit", 2, loadMode, true ); 
option("indentWithTabs", false ); 
option("smartIndent", true ); 
option("tabSize", 4, function (cm){ 
resetModeState(cm); 
clearCaches(cm); 
regChange(cm); 
} 
, true ); 
option("specialChars", /[\t\u0000-\u0019\u00ad\u200b-\u200f\u2028\u2029\ufeff]/g, function (cm, val, old){ 
cm.state.specialChars = new RegExp(val.source + (val.test("\t")? "": "|\t"), "g"); 
if (old != CodeMirror.Init) _AN_Call_refresh("refresh", cm); 
} 
); 
option("specialCharPlaceholder", defaultSpecialCharPlaceholder, function (cm){ 
_AN_Call_refresh("refresh", cm); 
} 
, true ); 
option("electricChars", true ); 
option("inputStyle", mobile? "contenteditable": "textarea", function (){ 
throw new Error("inputStyle can not (yet) be changed in a running editor")
} 
, true ); 
option("rtlMoveVisually", !windows); 
option("wholeLineUpdateBefore", true ); 
option("theme", "default", function (cm){ 
themeChanged(cm); 
guttersChanged(cm); 
} 
, true ); 
option("keyMap", "default", function (cm, val, old){ 
var next = getKeyMap(val); 
var prev = old != CodeMirror.Init && getKeyMap(old); 
if (prev && prev.detach) prev.detach(cm, next); 
if (next.attach) next.attach(cm, prev || null ); 
} 
); 
option("extraKeys", null ); 
option("lineWrapping", false , wrappingChanged, true ); 
option("gutters", [] , function (cm){ 
setGuttersForLineNumbers(cm.options); 
guttersChanged(cm); 
} 
, true ); 
option("fixedGutter", true , function (cm, val){ 
cm.display.gutters.style.left = val? compensateForHScroll(cm.display) + "px": "0"; 
_AN_Call_refresh("refresh", cm); 
} 
, true ); 
option("coverGutterNextToScrollbar", false , function (cm){ 
updateScrollbars(cm); 
} 
, true ); 
option("scrollbarStyle", "native", function (cm){ 
initScrollbars(cm); 
updateScrollbars(cm); 
cm.display.scrollbars.setScrollTop(cm.doc.scrollTop); 
cm.display.scrollbars.setScrollLeft(cm.doc.scrollLeft); 
} 
, true ); 
option("lineNumbers", false , function (cm){ 
setGuttersForLineNumbers(cm.options); 
guttersChanged(cm); 
} 
, true ); 
option("firstLineNumber", 1, guttersChanged, true ); 
option("lineNumberFormatter", function (integer){ 
return integer; 
} 
, guttersChanged, true ); 
option("showCursorWhenSelecting", false , updateSelection, true ); 
option("resetSelectionOnContextMenu", true ); 
option("readOnly", false , function (cm, val){ 
if (val == "nocursor") { 
onBlur(cm); 
cm.display.input.blur(); 
cm.display.disabled = true ; 
} 
 else { 
cm.display.disabled = false ; 
if (!val) cm.display.input.reset(); 
} 
} 
); 
option("disableInput", false , function (cm, val){ 
if (!val) cm.display.input.reset(); 
} 
, true ); 
option("dragDrop", true ); 
option("cursorBlinkRate", 530); 
option("cursorScrollMargin", 0); 
option("cursorHeight", 1, updateSelection, true ); 
option("singleCursorHeightPerLine", true , updateSelection, true ); 
option("workTime", 100); 
option("workDelay", 100); 
option("flattenSpans", true , resetModeState, true ); 
option("addModeClass", false , resetModeState, true ); 
option("pollInterval", 100); 
option("undoDepth", 200, function (cm, val){ 
cm.doc.history.undoDepth = val; 
} 
); 
option("historyEventDelay", 1250); 
option("viewportMargin", 10, function (cm){ 
_AN_Call_refresh("refresh", cm); 
} 
, true ); 
option("maxHighlightLength", 10000, resetModeState, true ); 
option("moveInputWithCursor", true , function (cm, val){ 
if (!val) cm.display.input.resetPosition(); 
} 
); 
option("tabindex", null , function (cm, val){ 
cm.display.input.getField().tabIndex = val || ""; 
} 
); 
option("autofocus", null ); 
var modes = CodeMirror.modes = { 
}
, mimeModes = CodeMirror.mimeModes = { 
}
; 
CodeMirror.defineMode = function (name, mode){ 
if (!CodeMirror.defaults.mode && name != "null") CodeMirror.defaults.mode = name; 
if (_AN_Read_length("length", arguments) > 2) mode.dependencies = Array.prototype.slice.call(arguments, 2); 
modes[name] = mode; 
} 
; 
CodeMirror.defineMIME = function (mime, spec){ 
mimeModes[mime] = spec; 
} 
; 
CodeMirror.resolveMode = function (spec){ 
if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) { 
spec = mimeModes[spec]; 
} 
 else if (spec && typeof spec.name == "string" && mimeModes.hasOwnProperty(spec.name)) { 
var found = mimeModes[spec.name]; 
if (typeof found == "string") found = { 
name: found}
; 
spec = createObj(found, spec); 
spec.name = found.name; 
} 
 else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+xml$/.test(spec)) { 
return CodeMirror.resolveMode("application/xml"); 
} 
if (typeof spec == "string") return { 
name: spec}
; 
 else return spec || { 
name: "null"}
; 
} 
; 
CodeMirror.getMode = function (options, spec){ 
var spec = CodeMirror.resolveMode(spec); 
var mfactory = modes[spec.name]; 
if (!mfactory) return CodeMirror.getMode(options, "text/plain"); 
var modeObj = mfactory(options, spec); 
if (modeExtensions.hasOwnProperty(spec.name)) { 
var exts = modeExtensions[spec.name]; 
for (var prop in exts){ 
if (!exts.hasOwnProperty(prop)) continue ; 
if (modeObj.hasOwnProperty(prop)) modeObj["_" + prop] = modeObj[prop]; 
modeObj[prop] = exts[prop]; 
} 
} 
modeObj.name = spec.name; 
if (spec.helperType) modeObj.helperType = spec.helperType; 
if (spec.modeProps) for (var prop in spec.modeProps)modeObj[prop] = spec.modeProps[prop]; 
return modeObj; 
} 
; 
CodeMirror.defineMode("null", function (){ 
return { 
token: function (stream){ 
stream.skipToEnd(); 
} 
}
; 
} 
); 
CodeMirror.defineMIME("text/plain", "null"); 
var modeExtensions = CodeMirror.modeExtensions = { 
}
; 
CodeMirror.extendMode = function (mode, properties){ 
var exts = modeExtensions.hasOwnProperty(mode)? modeExtensions[mode]: (modeExtensions[mode] = { 
}
); 
copyObj(properties, exts); 
} 
; 
CodeMirror.defineExtension = function (name, func){ 
CodeMirror.prototype[name] = func; 
} 
; 
CodeMirror.defineDocExtension = function (name, func){ 
Doc.prototype[name] = func; 
} 
; 
CodeMirror.defineOption = option; 
var initHooks = [] ; 
CodeMirror.defineInitHook = function (f){ 
initHooks.push(f); 
} 
; 
var helpers = CodeMirror.helpers = { 
}
; 
CodeMirror.registerHelper = function (type, name, value){ 
if (!helpers.hasOwnProperty(type)) helpers[type] = CodeMirror[type] = { 
_global: [] }
; 
helpers[type][name] = value; 
} 
; 
CodeMirror.registerGlobalHelper = function (type, name, predicate, value){ 
CodeMirror.registerHelper(type, name, value); 
helpers[type]._global.push({ 
pred: predicate,
val: value}
); 
} 
; 
var copyState = CodeMirror.copyState = function (mode, state){ 
if (state === true ) return state; 
if (mode.copyState) return mode.copyState(state); 
var nstate = { 
}
; 
for (var n in state){ 
var val = state[n]; 
if (val instanceof Array) val = val.concat([] ); 
nstate[n] = val; 
} 
return nstate; 
} 
; 
var startState = CodeMirror.startState = function (mode, a1, a2){ 
return mode.startState? mode.startState(a1, a2): true ; 
} 
; 
CodeMirror.innerMode = function (mode, state){ 
while (mode.innerMode){ 
var info = mode.innerMode(state); 
if (!info || info.mode == mode) break ; 
state = info.state; 
mode = info.mode; 
} 
return info || { 
mode: mode,
state: state}
; 
} 
; 
var commands = CodeMirror.commands = { 
selectAll: function (cm){ 
cm.setSelection(Pos(cm.firstLine(), 0), Pos(cm.lastLine()), sel_dontScroll); 
} 
,
singleSelection: function (cm){ 
cm.setSelection(cm.getCursor("anchor"), cm.getCursor("head"), sel_dontScroll); 
} 
,
killLine: function (cm){ 
deleteNearSelection(cm, function (range){ 
if (range.empty()) { 
var len = _AN_Read_length("length", getLine(cm.doc, range.head.line).text); 
if (range.head.ch == len && range.head.line < cm.lastLine()) return { 
from: range.head,
to: Pos(range.head.line + 1, 0)}
; 
 else return { 
from: range.head,
to: Pos(range.head.line, len)}
; 
} 
 else { 
return { 
from: range.from(),
to: range.to()}
; 
} 
} 
); 
} 
,
deleteLine: function (cm){ 
deleteNearSelection(cm, function (range){ 
return { 
from: Pos(range.from().line, 0),
to: clipPos(cm.doc, Pos(range.to().line + 1, 0))}
; 
} 
); 
} 
,
delLineLeft: function (cm){ 
deleteNearSelection(cm, function (range){ 
return { 
from: Pos(range.from().line, 0),
to: range.from()}
; 
} 
); 
} 
,
delWrappedLineLeft: function (cm){ 
deleteNearSelection(cm, function (range){ 
var top = cm.charCoords(range.head, "div").top + 5; 
var leftPos = cm.coordsChar({ 
left: 0,
top: top}
, "div"); 
return { 
from: leftPos,
to: range.from()}
; 
} 
); 
} 
,
delWrappedLineRight: function (cm){ 
deleteNearSelection(cm, function (range){ 
var top = cm.charCoords(range.head, "div").top + 5; 
var rightPos = cm.coordsChar({ 
left: cm.display.lineDiv.offsetWidth + 100,
top: top}
, "div"); 
return { 
from: range.from(),
to: rightPos}
; 
} 
); 
} 
,
undo: function (cm){ 
cm.undo(); 
} 
,
redo: function (cm){ 
cm.redo(); 
} 
,
undoSelection: function (cm){ 
cm.undoSelection(); 
} 
,
redoSelection: function (cm){ 
cm.redoSelection(); 
} 
,
goDocStart: function (cm){ 
cm.extendSelection(Pos(cm.firstLine(), 0)); 
} 
,
goDocEnd: function (cm){ 
cm.extendSelection(Pos(cm.lastLine())); 
} 
,
goLineStart: function (cm){ 
cm.extendSelectionsBy(function (range){ 
return lineStart(cm, range.head.line); 
} 
, { 
origin: "+move",
bias: 1}
); 
} 
,
goLineStartSmart: function (cm){ 
cm.extendSelectionsBy(function (range){ 
return lineStartSmart(cm, range.head); 
} 
, { 
origin: "+move",
bias: 1}
); 
} 
,
goLineEnd: function (cm){ 
cm.extendSelectionsBy(function (range){ 
return lineEnd(cm, range.head.line); 
} 
, { 
origin: "+move",
bias: -1}
); 
} 
,
goLineRight: function (cm){ 
cm.extendSelectionsBy(function (range){ 
var top = cm.charCoords(range.head, "div").top + 5; 
return cm.coordsChar({ 
left: cm.display.lineDiv.offsetWidth + 100,
top: top}
, "div"); 
} 
, sel_move); 
} 
,
goLineLeft: function (cm){ 
cm.extendSelectionsBy(function (range){ 
var top = cm.charCoords(range.head, "div").top + 5; 
return cm.coordsChar({ 
left: 0,
top: top}
, "div"); 
} 
, sel_move); 
} 
,
goLineLeftSmart: function (cm){ 
cm.extendSelectionsBy(function (range){ 
var top = cm.charCoords(range.head, "div").top + 5; 
var pos = cm.coordsChar({ 
left: 0,
top: top}
, "div"); 
if (pos.ch < cm.getLine(pos.line).search(/\S/)) return lineStartSmart(cm, range.head); 
return pos; 
} 
, sel_move); 
} 
,
goLineUp: function (cm){ 
cm.moveV(-1, "line"); 
} 
,
goLineDown: function (cm){ 
cm.moveV(1, "line"); 
} 
,
goPageUp: function (cm){ 
cm.moveV(-1, "page"); 
} 
,
goPageDown: function (cm){ 
cm.moveV(1, "page"); 
} 
,
goCharLeft: function (cm){ 
cm.moveH(-1, "char"); 
} 
,
goCharRight: function (cm){ 
cm.moveH(1, "char"); 
} 
,
goColumnLeft: function (cm){ 
cm.moveH(-1, "column"); 
} 
,
goColumnRight: function (cm){ 
cm.moveH(1, "column"); 
} 
,
goWordLeft: function (cm){ 
cm.moveH(-1, "word"); 
} 
,
goGroupRight: function (cm){ 
cm.moveH(1, "group"); 
} 
,
goGroupLeft: function (cm){ 
cm.moveH(-1, "group"); 
} 
,
goWordRight: function (cm){ 
cm.moveH(1, "word"); 
} 
,
delCharBefore: function (cm){ 
cm.deleteH(-1, "char"); 
} 
,
delCharAfter: function (cm){ 
cm.deleteH(1, "char"); 
} 
,
delWordBefore: function (cm){ 
cm.deleteH(-1, "word"); 
} 
,
delWordAfter: function (cm){ 
cm.deleteH(1, "word"); 
} 
,
delGroupBefore: function (cm){ 
cm.deleteH(-1, "group"); 
} 
,
delGroupAfter: function (cm){ 
cm.deleteH(1, "group"); 
} 
,
indentAuto: function (cm){ 
cm.indentSelection("smart"); 
} 
,
indentMore: function (cm){ 
cm.indentSelection("add"); 
} 
,
indentLess: function (cm){ 
cm.indentSelection("subtract"); 
} 
,
insertTab: function (cm){ 
cm.replaceSelection("\t"); 
} 
,
insertSoftTab: function (cm){ 
var spaces = [] , ranges = cm.listSelections(), tabSize = cm.options.tabSize; 
for (var i = 0; 
i < _AN_Read_length("length", ranges); i++ ){ 
var pos = ranges[i].from(); 
var col = countColumn(cm.getLine(pos.line), pos.ch, tabSize); 
spaces.push(new Array(tabSize - col % tabSize + 1).join(" ")); 
} 
cm.replaceSelections(spaces); 
} 
,
defaultTab: function (cm){ 
if (cm.somethingSelected()) cm.indentSelection("add"); 
 else _AN_Call_execcommand("execCommand", cm, "insertTab"); 
} 
,
transposeChars: function (cm){ 
runInOp(cm, function (){ 
var ranges = cm.listSelections(), newSel = [] ; 
for (var i = 0; 
i < _AN_Read_length("length", ranges); i++ ){ 
var cur = ranges[i].head, line = getLine(cm.doc, cur.line).text; 
if (line) { 
if (cur.ch == _AN_Read_length("length", line)) cur = new Pos(cur.line, cur.ch - 1); 
if (cur.ch > 0) { 
cur = new Pos(cur.line, cur.ch + 1); 
cm.replaceRange(line.charAt(cur.ch - 1) + line.charAt(cur.ch - 2), Pos(cur.line, cur.ch - 2), cur, "+transpose"); 
} 
 else if (cur.line > cm.doc.first) { 
var prev = getLine(cm.doc, cur.line - 1).text; 
if (prev) cm.replaceRange(line.charAt(0) + "\n" + prev.charAt(_AN_Read_length("length", prev) - 1), Pos(cur.line - 1, _AN_Read_length("length", prev) - 1), Pos(cur.line, 1), "+transpose"); 
} 
} 
newSel.push(new Range(cur, cur)); 
} 
cm.setSelections(newSel); 
} 
); 
} 
,
newlineAndIndent: function (cm){ 
runInOp(cm, function (){ 
var len = _AN_Read_length("length", cm.listSelections()); 
for (var i = 0; 
i < len; i++ ){ 
var range = cm.listSelections()[i]; 
cm.replaceRange("\n", range.anchor, range.head, "+input"); 
cm.indentLine(range.from().line + 1, null , true ); 
ensureCursorVisible(cm); 
} 
} 
); 
} 
,
toggleOverwrite: function (cm){ 
cm.toggleOverwrite(); 
} 
}
; 
var keyMap = CodeMirror.keyMap = { 
}
; 
keyMap.basic = { 
"Left": "goCharLeft",
"Right": "goCharRight",
"Up": "goLineUp",
"Down": "goLineDown",
"End": "goLineEnd",
"Home": "goLineStartSmart",
"PageUp": "goPageUp",
"PageDown": "goPageDown",
"Delete": "delCharAfter",
"Backspace": "delCharBefore",
"Shift-Backspace": "delCharBefore",
"Tab": "defaultTab",
"Shift-Tab": "indentAuto",
"Enter": "newlineAndIndent",
"Insert": "toggleOverwrite",
"Esc": "singleSelection"}
; 
keyMap.pcDefault = { 
"Ctrl-A": "selectAll",
"Ctrl-D": "deleteLine",
"Ctrl-Z": "undo",
"Shift-Ctrl-Z": "redo",
"Ctrl-Y": "redo",
"Ctrl-Home": "goDocStart",
"Ctrl-End": "goDocEnd",
"Ctrl-Up": "goLineUp",
"Ctrl-Down": "goLineDown",
"Ctrl-Left": "goGroupLeft",
"Ctrl-Right": "goGroupRight",
"Alt-Left": "goLineStart",
"Alt-Right": "goLineEnd",
"Ctrl-Backspace": "delGroupBefore",
"Ctrl-Delete": "delGroupAfter",
"Ctrl-S": "save",
"Ctrl-F": "find",
"Ctrl-G": "findNext",
"Shift-Ctrl-G": "findPrev",
"Shift-Ctrl-F": "replace",
"Shift-Ctrl-R": "replaceAll",
"Ctrl-[": "indentLess",
"Ctrl-]": "indentMore",
"Ctrl-U": "undoSelection",
"Shift-Ctrl-U": "redoSelection",
"Alt-U": "redoSelection",
fallthrough: "basic"}
; 
keyMap.emacsy = { 
"Ctrl-F": "goCharRight",
"Ctrl-B": "goCharLeft",
"Ctrl-P": "goLineUp",
"Ctrl-N": "goLineDown",
"Alt-F": "goWordRight",
"Alt-B": "goWordLeft",
"Ctrl-A": "goLineStart",
"Ctrl-E": "goLineEnd",
"Ctrl-V": "goPageDown",
"Shift-Ctrl-V": "goPageUp",
"Ctrl-D": "delCharAfter",
"Ctrl-H": "delCharBefore",
"Alt-D": "delWordAfter",
"Alt-Backspace": "delWordBefore",
"Ctrl-K": "killLine",
"Ctrl-T": "transposeChars"}
; 
keyMap.macDefault = { 
"Cmd-A": "selectAll",
"Cmd-D": "deleteLine",
"Cmd-Z": "undo",
"Shift-Cmd-Z": "redo",
"Cmd-Y": "redo",
"Cmd-Home": "goDocStart",
"Cmd-Up": "goDocStart",
"Cmd-End": "goDocEnd",
"Cmd-Down": "goDocEnd",
"Alt-Left": "goGroupLeft",
"Alt-Right": "goGroupRight",
"Cmd-Left": "goLineLeft",
"Cmd-Right": "goLineRight",
"Alt-Backspace": "delGroupBefore",
"Ctrl-Alt-Backspace": "delGroupAfter",
"Alt-Delete": "delGroupAfter",
"Cmd-S": "save",
"Cmd-F": "find",
"Cmd-G": "findNext",
"Shift-Cmd-G": "findPrev",
"Cmd-Alt-F": "replace",
"Shift-Cmd-Alt-F": "replaceAll",
"Cmd-[": "indentLess",
"Cmd-]": "indentMore",
"Cmd-Backspace": "delWrappedLineLeft",
"Cmd-Delete": "delWrappedLineRight",
"Cmd-U": "undoSelection",
"Shift-Cmd-U": "redoSelection",
"Ctrl-Up": "goDocStart",
"Ctrl-Down": "goDocEnd",
fallthrough: ["basic", "emacsy"] }
; 
keyMap["default"]  = mac? keyMap.macDefault: keyMap.pcDefault; 
function normalizeKeyName(name){ 
var parts = name.split(/-(?!$)/), name = parts[_AN_Read_length("length", parts) - 1]; 
var alt, ctrl, shift, cmd; 
for (var i = 0; 
i < _AN_Read_length("length", parts) - 1; i++ ){ 
var mod = parts[i]; 
if (/^(cmd|meta|m)$/i.test(mod)) cmd = true ; 
 else if (/^a(lt)?$/i.test(mod)) alt = true ; 
 else if (/^(c|ctrl|control)$/i.test(mod)) ctrl = true ; 
 else if (/^s(hift)$/i.test(mod)) shift = true ; 
 else throw new Error("Unrecognized modifier name: " + mod)
} 
if (alt) name = "Alt-" + name; 
if (ctrl) name = "Ctrl-" + name; 
if (cmd) name = "Cmd-" + name; 
if (shift) name = "Shift-" + name; 
return name; 
} 
CodeMirror.normalizeKeyMap = function (keymap){ 
var copy = { 
}
; 
for (var keyname in keymap)if (keymap.hasOwnProperty(keyname)) { 
var value = keymap[keyname]; 
if (/^(name|fallthrough|(de|at)tach)$/.test(keyname)) continue ; 
if (value == "...") { 
delete keymap[keyname]; 
continue ; 
} 
var keys = map(keyname.split(" "), normalizeKeyName); 
for (var i = 0; 
i < _AN_Read_length("length", keys); i++ ){ 
var val, name; 
if (i == _AN_Read_length("length", keys) - 1) { 
name = keyname; 
val = value; 
} 
 else { 
name = keys.slice(0, i + 1).join(" "); 
val = "..."; 
} 
var prev = copy[name]; 
if (!prev) copy[name] = val; 
 else if (prev != val) throw new Error("Inconsistent bindings for " + name)
} 
delete keymap[keyname]; 
} 
for (var prop in copy)keymap[prop] = copy[prop]; 
return keymap; 
} 
; 
var lookupKey = CodeMirror.lookupKey = function (key, map, handle, context){ 
map = getKeyMap(map); 
var found = map.call? map.call(key, context): map[key]; 
if (found === false ) return "nothing"; 
if (found === "...") return "multi"; 
if (found != null  && handle(found)) return "handled"; 
if (map.fallthrough) { 
if (Object.prototype.toString.call(map.fallthrough) != "[object Array]") return lookupKey(key, map.fallthrough, handle, context); 
for (var i = 0; 
i < _AN_Read_length("length", map.fallthrough); i++ ){ 
var result = lookupKey(key, map.fallthrough[i], handle, context); 
if (result) return result; 
} 
} 
} 
; 
var isModifierKey = CodeMirror.isModifierKey = function (value){ 
var name = typeof value == "string"? value: keyNames[value.keyCode]; 
return name == "Ctrl" || name == "Alt" || name == "Shift" || name == "Mod"; 
} 
; 
var keyName = CodeMirror.keyName = function (event, noShift){ 
if (presto && event.keyCode == 34 && event["char"] ) return false ; 
var base = keyNames[event.keyCode], name = base; 
if (name == null  || event.altGraphKey) return false ; 
if (event.altKey && base != "Alt") name = "Alt-" + name; 
if ((flipCtrlCmd? event.metaKey: event.ctrlKey) && base != "Ctrl") name = "Ctrl-" + name; 
if ((flipCtrlCmd? event.ctrlKey: event.metaKey) && base != "Cmd") name = "Cmd-" + name; 
if (!noShift && event.shiftKey && base != "Shift") name = "Shift-" + name; 
return name; 
} 
; 
function getKeyMap(val){ 
return typeof val == "string"? keyMap[val]: val; 
} 
CodeMirror.fromTextArea = function (textarea, options){ 
options = options? copyObj(options): { 
}
; 
options.value = textarea.value; 
if (!options.tabindex && textarea.tabIndex) options.tabindex = textarea.tabIndex; 
if (!options.placeholder && textarea.placeholder) options.placeholder = textarea.placeholder; 
if (options.autofocus == null ) { 
var hasFocus = activeElt(); 
options.autofocus = hasFocus == textarea || _AN_Call_getattribute("getAttribute", textarea, "autofocus") != null  && hasFocus == document.body; 
} 
function save(){ 
textarea.value = cm.getValue(); 
} 
if (textarea.form) { 
on(textarea.form, "submit", save); 
if (!options.leaveSubmitMethodAlone) { 
var form = textarea.form, realSubmit = form.submit; 
try { 
var wrappedSubmit = form.submit = function (){ 
save(); 
form.submit = realSubmit; 
form.submit(); 
form.submit = wrappedSubmit; 
} 
; 
} 
catch (e) { 
} 
} 
} 
options.finishInit = function (cm){ 
cm.save = save; 
cm.getTextArea = function (){ 
return textarea; 
} 
; 
cm.toTextArea = function (){ 
cm.toTextArea = isNaN; 
save(); 
textarea.parentNode.removeChild(cm.getWrapperElement()); 
textarea.style.display = ""; 
if (textarea.form) { 
off(textarea.form, "submit", save); 
if (typeof textarea.form.submit == "function") textarea.form.submit = realSubmit; 
} 
} 
; 
} 
; 
textarea.style.display = "none"; 
var cm = CodeMirror(function (node){ 
textarea.parentNode.insertBefore(node, textarea.nextSibling); 
} 
, options); 
return cm; 
} 
; 
var StringStream = CodeMirror.StringStream = function (string, tabSize){ 
this.pos = this.start = 0; 
this.string = string; 
this.tabSize = tabSize || 8; 
this.lastColumnPos = this.lastColumnValue = 0; 
this.lineStart = 0; 
} 
; 
StringStream.prototype = { 
eol: function (){ 
return this.pos >= _AN_Read_length("length", this.string); 
} 
,
sol: function (){ 
return this.pos == this.lineStart; 
} 
,
peek: function (){ 
return this.string.charAt(this.pos) || undefined; 
} 
,
next: function (){ 
if (this.pos < _AN_Read_length("length", this.string)) return this.string.charAt(this.pos++ ); 
} 
,
eat: function (match){ 
var ch = this.string.charAt(this.pos); 
if (typeof match == "string") var ok = ch == match; 
 else var ok = ch && (match.test? match.test(ch): match(ch)); 
if (ok) { 
++this.pos; 
return ch; 
} 
} 
,
eatWhile: function (match){ 
var start = this.pos; 
while (this.eat(match)){ 
} 
return this.pos > start; 
} 
,
eatSpace: function (){ 
var start = this.pos; 
while (/[\s\u00a0]/.test(this.string.charAt(this.pos)))++this.pos; 
return this.pos > start; 
} 
,
skipToEnd: function (){ 
this.pos = _AN_Read_length("length", this.string); 
} 
,
skipTo: function (ch){ 
var found = this.string.indexOf(ch, this.pos); 
if (found > -1) { 
this.pos = found; 
return true ; 
} 
} 
,
backUp: function (n){ 
this.pos -= n; 
} 
,
column: function (){ 
if (this.lastColumnPos < this.start) { 
this.lastColumnValue = countColumn(this.string, this.start, this.tabSize, this.lastColumnPos, this.lastColumnValue); 
this.lastColumnPos = this.start; 
} 
return this.lastColumnValue - (this.lineStart? countColumn(this.string, this.lineStart, this.tabSize): 0); 
} 
,
indentation: function (){ 
return countColumn(this.string, null , this.tabSize) - (this.lineStart? countColumn(this.string, this.lineStart, this.tabSize): 0); 
} 
,
match: function (pattern, consume, caseInsensitive){ 
if (typeof pattern == "string") { 
var cased = function (str){ 
return caseInsensitive? str.toLowerCase(): str; 
} 
; 
var substr = this.string.substr(this.pos, _AN_Read_length("length", pattern)); 
if (cased(substr) == cased(pattern)) { 
if (consume !== false ) this.pos += _AN_Read_length("length", pattern); 
return true ; 
} 
} 
 else { 
var match = this.string.slice(this.pos).match(pattern); 
if (match && match.index > 0) return null ; 
if (match && consume !== false ) this.pos += _AN_Read_length("length", match[0]); 
return match; 
} 
} 
,
current: function (){ 
return this.string.slice(this.start, this.pos); 
} 
,
hideFirstChars: function (n, inner){ 
this.lineStart += n; 
try { 
return inner(); 
} 
finally{ 
this.lineStart -= n; 
} 
} 
}
; 
var nextMarkerId = 0; 
var TextMarker = CodeMirror.TextMarker = function (doc, type){ 
this.lines = [] ; 
this.type = type; 
this.doc = doc; 
this.id = ++nextMarkerId; 
} 
; 
eventMixin(TextMarker); 
TextMarker.prototype.clear = function (){ 
if (this.explicitlyCleared) return ; 
var cm = this.doc.cm, withOp = cm && !cm.curOp; 
if (withOp) startOperation(cm); 
if (hasHandler(this, "clear")) { 
var found = this.find(); 
if (found) signalLater(this, "clear", found.from, found.to); 
} 
var min = null , max = null ; 
for (var i = 0; 
i < _AN_Read_length("length", this.lines); ++i){ 
var line = this.lines[i]; 
var span = getMarkedSpanFor(line.markedSpans, this); 
if (cm && !this.collapsed) regLineChange(cm, lineNo(line), "text"); 
 else if (cm) { 
if (span.to != null ) max = lineNo(line); 
if (span.from != null ) min = lineNo(line); 
} 
line.markedSpans = removeMarkedSpan(line.markedSpans, span); 
if (span.from == null  && this.collapsed && !lineIsHidden(this.doc, line) && cm) updateLineHeight(line, textHeight(cm.display)); 
} 
if (cm && this.collapsed && !cm.options.lineWrapping) for (var i = 0; 
i < _AN_Read_length("length", this.lines); ++i){ 
var visual = visualLine(this.lines[i]), len = lineLength(visual); 
if (len > cm.display.maxLineLength) { 
cm.display.maxLine = visual; 
cm.display.maxLineLength = len; 
cm.display.maxLineChanged = true ; 
} 
} 
if (min != null  && cm && this.collapsed) regChange(cm, min, max + 1); 
this.lines.length = 0; 
this.explicitlyCleared = true ; 
if (this.atomic && this.doc.cantEdit) { 
this.doc.cantEdit = false ; 
if (cm) reCheckSelection(cm.doc); 
} 
if (cm) signalLater(cm, "markerCleared", cm, this); 
if (withOp) endOperation(cm); 
if (this.parent) _AN_Call_clear("clear", this.parent); 
} 
; 
TextMarker.prototype.find = function (side, lineObj){ 
if (side == null  && this.type == "bookmark") side = 1; 
var from, to; 
for (var i = 0; 
i < _AN_Read_length("length", this.lines); ++i){ 
var line = this.lines[i]; 
var span = getMarkedSpanFor(line.markedSpans, this); 
if (span.from != null ) { 
from = Pos(lineObj? line: lineNo(line), span.from); 
if (side == -1) return from; 
} 
if (span.to != null ) { 
to = Pos(lineObj? line: lineNo(line), span.to); 
if (side == 1) return to; 
} 
} 
return from && { 
from: from,
to: to}
; 
} 
; 
TextMarker.prototype.changed = function (){ 
var pos = this.find(-1, true ), widget = this, cm = this.doc.cm; 
if (!pos || !cm) return ; 
runInOp(cm, function (){ 
var line = pos.line, lineN = lineNo(pos.line); 
var view = findViewForLine(cm, lineN); 
if (view) { 
clearLineMeasurementCacheFor(view); 
cm.curOp.selectionChanged = cm.curOp.forceUpdate = true ; 
} 
cm.curOp.updateMaxLine = true ; 
if (!lineIsHidden(widget.doc, line) && widget.height != null ) { 
var oldHeight = widget.height; 
widget.height = null ; 
var dHeight = widgetHeight(widget) - oldHeight; 
if (dHeight) updateLineHeight(line, line.height + dHeight); 
} 
} 
); 
} 
; 
TextMarker.prototype.attachLine = function (line){ 
if (!_AN_Read_length("length", this.lines) && this.doc.cm) { 
var op = this.doc.cm.curOp; 
if (!op.maybeHiddenMarkers || indexOf(op.maybeHiddenMarkers, this) == -1) (op.maybeUnhiddenMarkers || (op.maybeUnhiddenMarkers = [] )).push(this); 
} 
this.lines.push(line); 
} 
; 
TextMarker.prototype.detachLine = function (line){ 
this.lines.splice(indexOf(this.lines, line), 1); 
if (!_AN_Read_length("length", this.lines) && this.doc.cm) { 
var op = this.doc.cm.curOp; 
(op.maybeHiddenMarkers || (op.maybeHiddenMarkers = [] )).push(this); 
} 
} 
; 
var nextMarkerId = 0; 
function markText(doc, from, to, options, type){ 
if (options && options.shared) return markTextShared(doc, from, to, options, type); 
if (doc.cm && !doc.cm.curOp) return operation(doc.cm, markText)(doc, from, to, options, type); 
var marker = new TextMarker(doc, type), diff = cmp(from, to); 
if (options) copyObj(options, marker, false ); 
if (diff > 0 || diff == 0 && marker.clearWhenEmpty !== false ) return marker; 
if (marker.replacedWith) { 
marker.collapsed = true ; 
marker.widgetNode = elt("span", [marker.replacedWith] , "CodeMirror-widget"); 
if (!options.handleMouseEvents) _AN_Call_setattribute("setAttribute", marker.widgetNode, "cm-ignore-events", "true"); 
if (options.insertLeft) marker.widgetNode.insertLeft = true ; 
} 
if (marker.collapsed) { 
if (conflictingCollapsedRange(doc, from.line, from, to, marker) || from.line != to.line && conflictingCollapsedRange(doc, to.line, from, to, marker)) throw new Error("Inserting collapsed marker partially overlapping an existing one")
sawCollapsedSpans = true ; 
} 
if (marker.addToHistory) addChangeToHistory(doc, { 
from: from,
to: to,
origin: "markText"}
, doc.sel, NaN); 
var curLine = from.line, cm = doc.cm, updateMaxLine; 
doc.iter(curLine, to.line + 1, function (line){ 
if (cm && marker.collapsed && !cm.options.lineWrapping && visualLine(line) == cm.display.maxLine) updateMaxLine = true ; 
if (marker.collapsed && curLine != from.line) updateLineHeight(line, 0); 
addMarkedSpan(line, new MarkedSpan(marker, curLine == from.line? from.ch: null , curLine == to.line? to.ch: null )); 
++curLine; 
} 
); 
if (marker.collapsed) doc.iter(from.line, to.line + 1, function (line){ 
if (lineIsHidden(doc, line)) updateLineHeight(line, 0); 
} 
); 
if (marker.clearOnEnter) on(marker, "beforeCursorEnter", function (){ 
_AN_Call_clear("clear", marker); 
} 
); 
if (marker.readOnly) { 
sawReadOnlySpans = true ; 
if (_AN_Read_length("length", doc.history.done) || _AN_Read_length("length", doc.history.undone)) doc.clearHistory(); 
} 
if (marker.collapsed) { 
marker.id = ++nextMarkerId; 
marker.atomic = true ; 
} 
if (cm) { 
if (updateMaxLine) cm.curOp.updateMaxLine = true ; 
if (marker.collapsed) regChange(cm, from.line, to.line + 1); 
 else if (marker.className || marker.title || marker.startStyle || marker.endStyle || marker.css) for (var i = from.line; 
i <= to.line; i++ )regLineChange(cm, i, "text"); 
if (marker.atomic) reCheckSelection(cm.doc); 
signalLater(cm, "markerAdded", cm, marker); 
} 
return marker; 
} 
var SharedTextMarker = CodeMirror.SharedTextMarker = function (markers, primary){ 
this.markers = markers; 
this.primary = primary; 
for (var i = 0; 
i < _AN_Read_length("length", markers); ++i)markers[i].parent = this; 
} 
; 
eventMixin(SharedTextMarker); 
SharedTextMarker.prototype.clear = function (){ 
if (this.explicitlyCleared) return ; 
this.explicitlyCleared = true ; 
for (var i = 0; 
i < _AN_Read_length("length", this.markers); ++i)_AN_Call_clear("clear", this.markers[i]); 
signalLater(this, "clear"); 
} 
; 
SharedTextMarker.prototype.find = function (side, lineObj){ 
return this.primary.find(side, lineObj); 
} 
; 
function markTextShared(doc, from, to, options, type){ 
options = copyObj(options); 
options.shared = false ; 
var markers = [markText(doc, from, to, options, type)] , primary = markers[0]; 
var widget = options.widgetNode; 
linkedDocs(doc, function (doc){ 
if (widget) options.widgetNode = widget.cloneNode(true ); 
markers.push(markText(doc, clipPos(doc, from), clipPos(doc, to), options, type)); 
for (var i = 0; 
i < _AN_Read_length("length", doc.linked); ++i)if (doc.linked[i].isParent) return ; 
primary = lst(markers); 
} 
); 
return new SharedTextMarker(markers, primary); 
} 
function findSharedMarkers(doc){ 
return doc.findMarks(Pos(doc.first, 0), doc.clipPos(Pos(doc.lastLine())), function (m){ 
return m.parent; 
} 
); 
} 
function copySharedMarkers(doc, markers){ 
for (var i = 0; 
i < _AN_Read_length("length", markers); i++ ){ 
var marker = markers[i], pos = marker.find(); 
var mFrom = doc.clipPos(pos.from), mTo = doc.clipPos(pos.to); 
if (cmp(mFrom, mTo)) { 
var subMark = markText(doc, mFrom, mTo, marker.primary, marker.primary.type); 
marker.markers.push(subMark); 
subMark.parent = marker; 
} 
} 
} 
function detachSharedMarkers(markers){ 
for (var i = 0; 
i < _AN_Read_length("length", markers); i++ ){ 
var marker = markers[i], linked = [marker.primary.doc] ; 
; 
linkedDocs(marker.primary.doc, function (d){ 
linked.push(d); 
} 
); 
for (var j = 0; 
j < _AN_Read_length("length", marker.markers); j++ ){ 
var subMarker = marker.markers[j]; 
if (indexOf(linked, subMarker.doc) == -1) { 
subMarker.parent = null ; 
marker.markers.splice(j-- , 1); 
} 
} 
} 
} 
function MarkedSpan(marker, from, to){ 
this.marker = marker; 
this.from = from; 
this.to = to; 
} 
function getMarkedSpanFor(spans, marker){ 
if (spans) for (var i = 0; 
i < _AN_Read_length("length", spans); ++i){ 
var span = spans[i]; 
if (span.marker == marker) return span; 
} 
} 
function removeMarkedSpan(spans, span){ 
for (var r, i = 0; 
i < _AN_Read_length("length", spans); ++i)if (spans[i] != span) (r || (r = [] )).push(spans[i]); 
return r; 
} 
function addMarkedSpan(line, span){ 
line.markedSpans = line.markedSpans? line.markedSpans.concat([span] ): [span] ; 
span.marker.attachLine(line); 
} 
function markedSpansBefore(old, startCh, isInsert){ 
if (old) for (var i = 0, nw; 
i < _AN_Read_length("length", old); ++i){ 
var span = old[i], marker = span.marker; 
var startsBefore = span.from == null  || (marker.inclusiveLeft? span.from <= startCh: span.from < startCh); 
if (startsBefore || span.from == startCh && marker.type == "bookmark" && (!isInsert || !span.marker.insertLeft)) { 
var endsAfter = span.to == null  || (marker.inclusiveRight? span.to >= startCh: span.to > startCh); 
(nw || (nw = [] )).push(new MarkedSpan(marker, span.from, endsAfter? null : span.to)); 
} 
} 
return nw; 
} 
function markedSpansAfter(old, endCh, isInsert){ 
if (old) for (var i = 0, nw; 
i < _AN_Read_length("length", old); ++i){ 
var span = old[i], marker = span.marker; 
var endsAfter = span.to == null  || (marker.inclusiveRight? span.to >= endCh: span.to > endCh); 
if (endsAfter || span.from == endCh && marker.type == "bookmark" && (!isInsert || span.marker.insertLeft)) { 
var startsBefore = span.from == null  || (marker.inclusiveLeft? span.from <= endCh: span.from < endCh); 
(nw || (nw = [] )).push(new MarkedSpan(marker, startsBefore? null : span.from - endCh, span.to == null ? null : span.to - endCh)); 
} 
} 
return nw; 
} 
function stretchSpansOverChange(doc, change){ 
if (change.full) return null ; 
var oldFirst = isLine(doc, change.from.line) && getLine(doc, change.from.line).markedSpans; 
var oldLast = isLine(doc, change.to.line) && getLine(doc, change.to.line).markedSpans; 
if (!oldFirst && !oldLast) return null ; 
var startCh = change.from.ch, endCh = change.to.ch, isInsert = cmp(change.from, change.to) == 0; 
var first = markedSpansBefore(oldFirst, startCh, isInsert); 
var last = markedSpansAfter(oldLast, endCh, isInsert); 
var sameLine = _AN_Read_length("length", change.text) == 1, offset = _AN_Read_length("length", lst(change.text)) + (sameLine? startCh: 0); 
if (first) { 
for (var i = 0; 
i < _AN_Read_length("length", first); ++i){ 
var span = first[i]; 
if (span.to == null ) { 
var found = getMarkedSpanFor(last, span.marker); 
if (!found) span.to = startCh; 
 else if (sameLine) span.to = found.to == null ? null : found.to + offset; 
} 
} 
} 
if (last) { 
for (var i = 0; 
i < _AN_Read_length("length", last); ++i){ 
var span = last[i]; 
if (span.to != null ) span.to += offset; 
if (span.from == null ) { 
var found = getMarkedSpanFor(first, span.marker); 
if (!found) { 
span.from = offset; 
if (sameLine) (first || (first = [] )).push(span); 
} 
} 
 else { 
span.from += offset; 
if (sameLine) (first || (first = [] )).push(span); 
} 
} 
} 
if (first) first = clearEmptySpans(first); 
if (last && last != first) last = clearEmptySpans(last); 
var newMarkers = [first] ; 
if (!sameLine) { 
var gap = _AN_Read_length("length", change.text) - 2, gapMarkers; 
if (gap > 0 && first) for (var i = 0; 
i < _AN_Read_length("length", first); ++i)if (first[i].to == null ) (gapMarkers || (gapMarkers = [] )).push(new MarkedSpan(first[i].marker, null , null )); 
for (var i = 0; 
i < gap; ++i)newMarkers.push(gapMarkers); 
newMarkers.push(last); 
} 
return newMarkers; 
} 
function clearEmptySpans(spans){ 
for (var i = 0; 
i < _AN_Read_length("length", spans); ++i){ 
var span = spans[i]; 
if (span.from != null  && span.from == span.to && span.marker.clearWhenEmpty !== false ) spans.splice(i-- , 1); 
} 
if (!_AN_Read_length("length", spans)) return null ; 
return spans; 
} 
function mergeOldSpans(doc, change){ 
var old = getOldSpans(doc, change); 
var stretched = stretchSpansOverChange(doc, change); 
if (!old) return stretched; 
if (!stretched) return old; 
for (var i = 0; 
i < _AN_Read_length("length", old); ++i){ 
var oldCur = old[i], stretchCur = stretched[i]; 
if (oldCur && stretchCur) { 
spans: for (var j = 0; 
j < _AN_Read_length("length", stretchCur); ++j){ 
var span = stretchCur[j]; 
for (var k = 0; 
k < _AN_Read_length("length", oldCur); ++k)if (oldCur[k].marker == span.marker) continue spans; 
oldCur.push(span); 
} 
} 
 else if (stretchCur) { 
old[i] = stretchCur; 
} 
} 
return old; 
} 
function removeReadOnlyRanges(doc, from, to){ 
var markers = null ; 
doc.iter(from.line, to.line + 1, function (line){ 
if (line.markedSpans) for (var i = 0; 
i < _AN_Read_length("length", line.markedSpans); ++i){ 
var mark = line.markedSpans[i].marker; 
if (mark.readOnly && (!markers || indexOf(markers, mark) == -1)) (markers || (markers = [] )).push(mark); 
} 
} 
); 
if (!markers) return null ; 
var parts = [{ 
from: from,
to: to}
] ; 
for (var i = 0; 
i < _AN_Read_length("length", markers); ++i){ 
var mk = markers[i], m = mk.find(0); 
for (var j = 0; 
j < _AN_Read_length("length", parts); ++j){ 
var p = parts[j]; 
if (cmp(p.to, m.from) < 0 || cmp(p.from, m.to) > 0) continue ; 
var newParts = [j, 1] , dfrom = cmp(p.from, m.from), dto = cmp(p.to, m.to); 
if (dfrom < 0 || !mk.inclusiveLeft && !dfrom) newParts.push({ 
from: p.from,
to: m.from}
); 
if (dto > 0 || !mk.inclusiveRight && !dto) newParts.push({ 
from: m.to,
to: p.to}
); 
parts.splice.apply(parts, newParts); 
j += _AN_Read_length("length", newParts) - 1; 
} 
} 
return parts; 
} 
function detachMarkedSpans(line){ 
var spans = line.markedSpans; 
if (!spans) return ; 
for (var i = 0; 
i < _AN_Read_length("length", spans); ++i)spans[i].marker.detachLine(line); 
line.markedSpans = null ; 
} 
function attachMarkedSpans(line, spans){ 
if (!spans) return ; 
for (var i = 0; 
i < _AN_Read_length("length", spans); ++i)spans[i].marker.attachLine(line); 
line.markedSpans = spans; 
} 
function extraLeft(marker){ 
return marker.inclusiveLeft? -1: 0; 
} 
function extraRight(marker){ 
return marker.inclusiveRight? 1: 0; 
} 
function compareCollapsedMarkers(a, b){ 
var lenDiff = _AN_Read_length("length", a.lines) - _AN_Read_length("length", b.lines); 
if (lenDiff != 0) return lenDiff; 
var aPos = a.find(), bPos = b.find(); 
var fromCmp = cmp(aPos.from, bPos.from) || extraLeft(a) - extraLeft(b); 
if (fromCmp) return - fromCmp; 
var toCmp = cmp(aPos.to, bPos.to) || extraRight(a) - extraRight(b); 
if (toCmp) return toCmp; 
return b.id - a.id; 
} 
function collapsedSpanAtSide(line, start){ 
var sps = sawCollapsedSpans && line.markedSpans, found; 
if (sps) for (var sp, i = 0; 
i < _AN_Read_length("length", sps); ++i){ 
sp = sps[i]; 
if (sp.marker.collapsed && (start? sp.from: sp.to) == null  && (!found || compareCollapsedMarkers(found, sp.marker) < 0)) found = sp.marker; 
} 
return found; 
} 
function collapsedSpanAtStart(line){ 
return collapsedSpanAtSide(line, true ); 
} 
function collapsedSpanAtEnd(line){ 
return collapsedSpanAtSide(line, false ); 
} 
function conflictingCollapsedRange(doc, lineNo, from, to, marker){ 
var line = getLine(doc, lineNo); 
var sps = sawCollapsedSpans && line.markedSpans; 
if (sps) for (var i = 0; 
i < _AN_Read_length("length", sps); ++i){ 
var sp = sps[i]; 
if (!sp.marker.collapsed) continue ; 
var found = sp.marker.find(0); 
var fromCmp = cmp(found.from, from) || extraLeft(sp.marker) - extraLeft(marker); 
var toCmp = cmp(found.to, to) || extraRight(sp.marker) - extraRight(marker); 
if (fromCmp >= 0 && toCmp <= 0 || fromCmp <= 0 && toCmp >= 0) continue ; 
if (fromCmp <= 0 && (cmp(found.to, from) > 0 || (sp.marker.inclusiveRight && marker.inclusiveLeft)) || fromCmp >= 0 && (cmp(found.from, to) < 0 || (sp.marker.inclusiveLeft && marker.inclusiveRight))) return true ; 
} 
} 
function visualLine(line){ 
var merged; 
while (merged = collapsedSpanAtStart(line))line = merged.find(-1, true ).line; 
return line; 
} 
function visualLineContinued(line){ 
var merged, lines; 
while (merged = collapsedSpanAtEnd(line)){ 
line = merged.find(1, true ).line; 
(lines || (lines = [] )).push(line); 
} 
return lines; 
} 
function visualLineNo(doc, lineN){ 
var line = getLine(doc, lineN), vis = visualLine(line); 
if (line == vis) return lineN; 
return lineNo(vis); 
} 
function visualLineEndNo(doc, lineN){ 
if (lineN > doc.lastLine()) return lineN; 
var line = getLine(doc, lineN), merged; 
if (!lineIsHidden(doc, line)) return lineN; 
while (merged = collapsedSpanAtEnd(line))line = merged.find(1, true ).line; 
return lineNo(line) + 1; 
} 
function lineIsHidden(doc, line){ 
var sps = sawCollapsedSpans && line.markedSpans; 
if (sps) for (var sp, i = 0; 
i < _AN_Read_length("length", sps); ++i){ 
sp = sps[i]; 
if (!sp.marker.collapsed) continue ; 
if (sp.from == null ) return true ; 
if (sp.marker.widgetNode) continue ; 
if (sp.from == 0 && sp.marker.inclusiveLeft && lineIsHiddenInner(doc, line, sp)) return true ; 
} 
} 
function lineIsHiddenInner(doc, line, span){ 
if (span.to == null ) { 
var end = span.marker.find(1, true ); 
return lineIsHiddenInner(doc, end.line, getMarkedSpanFor(end.line.markedSpans, span.marker)); 
} 
if (span.marker.inclusiveRight && span.to == _AN_Read_length("length", line.text)) return true ; 
for (var sp, i = 0; 
i < _AN_Read_length("length", line.markedSpans); ++i){ 
sp = line.markedSpans[i]; 
if (sp.marker.collapsed && !sp.marker.widgetNode && sp.from == span.to && (sp.to == null  || sp.to != span.from) && (sp.marker.inclusiveLeft || span.marker.inclusiveRight) && lineIsHiddenInner(doc, line, sp)) return true ; 
} 
} 
var LineWidget = CodeMirror.LineWidget = function (doc, node, options){ 
if (options) for (var opt in options)if (options.hasOwnProperty(opt)) this[opt] = options[opt]; 
this.doc = doc; 
this.node = node; 
} 
; 
eventMixin(LineWidget); 
function adjustScrollWhenAboveVisible(cm, line, diff){ 
if (heightAtLine(line) < ((cm.curOp && cm.curOp.scrollTop) || cm.doc.scrollTop)) addToScrollPos(cm, null , diff); 
} 
LineWidget.prototype.clear = function (){ 
var cm = this.doc.cm, ws = this.line.widgets, line = this.line, no = lineNo(line); 
if (no == null  || !ws) return ; 
for (var i = 0; 
i < _AN_Read_length("length", ws); ++i)if (ws[i] == this) ws.splice(i-- , 1); 
if (!_AN_Read_length("length", ws)) line.widgets = null ; 
var height = widgetHeight(this); 
updateLineHeight(line, Math.max(0, line.height - height)); 
if (cm) runInOp(cm, function (){ 
adjustScrollWhenAboveVisible(cm, line, - height); 
regLineChange(cm, no, "widget"); 
} 
); 
} 
; 
LineWidget.prototype.changed = function (){ 
var oldH = this.height, cm = this.doc.cm, line = this.line; 
this.height = null ; 
var diff = widgetHeight(this) - oldH; 
if (!diff) return ; 
updateLineHeight(line, line.height + diff); 
if (cm) runInOp(cm, function (){ 
cm.curOp.forceUpdate = true ; 
adjustScrollWhenAboveVisible(cm, line, diff); 
} 
); 
} 
; 
function widgetHeight(widget){ 
if (widget.height != null ) return widget.height; 
var cm = widget.doc.cm; 
if (!cm) return 0; 
if (!contains(document.body, widget.node)) { 
var parentStyle = "position: relative;"; 
if (widget.coverGutter) parentStyle += "margin-left: -" + cm.display.gutters.offsetWidth + "px;"; 
if (widget.noHScroll) parentStyle += "width: " + cm.display.wrapper.clientWidth + "px;"; 
removeChildrenAndAdd(cm.display.measure, elt("div", [widget.node] , null , parentStyle)); 
} 
return widget.height = widget.node.offsetHeight; 
} 
function addLineWidget(doc, handle, node, options){ 
var widget = new LineWidget(doc, node, options); 
var cm = doc.cm; 
if (cm && widget.noHScroll) cm.display.alignWidgets = true ; 
changeLine(doc, handle, "widget", function (line){ 
var widgets = line.widgets || (line.widgets = [] ); 
if (widget.insertAt == null ) widgets.push(widget); 
 else widgets.splice(Math.min(_AN_Read_length("length", widgets) - 1, Math.max(0, widget.insertAt)), 0, widget); 
widget.line = line; 
if (cm && !lineIsHidden(doc, line)) { 
var aboveVisible = heightAtLine(line) < doc.scrollTop; 
updateLineHeight(line, line.height + widgetHeight(widget)); 
if (aboveVisible) addToScrollPos(cm, null , widget.height); 
cm.curOp.forceUpdate = true ; 
} 
return true ; 
} 
); 
return widget; 
} 
var Line = CodeMirror.Line = function (text, markedSpans, estimateHeight){ 
_AN_Write_text("text", this, false , text); 
attachMarkedSpans(this, markedSpans); 
this.height = estimateHeight? estimateHeight(this): 1; 
} 
; 
eventMixin(Line); 
Line.prototype.lineNo = function (){ 
return lineNo(this); 
} 
; 
function updateLine(line, text, markedSpans, estimateHeight){ 
_AN_Write_text("text", line, false , text); 
if (line.stateAfter) line.stateAfter = null ; 
if (line.styles) line.styles = null ; 
if (line.order != null ) line.order = null ; 
detachMarkedSpans(line); 
attachMarkedSpans(line, markedSpans); 
var estHeight = estimateHeight? estimateHeight(line): 1; 
if (estHeight != line.height) updateLineHeight(line, estHeight); 
} 
function cleanUpLine(line){ 
line.parent = null ; 
detachMarkedSpans(line); 
} 
function extractLineClasses(type, output){ 
if (type) for (; ; ){ 
var lineClass = type.match(/(?:^|\s+)line-(background-)?(\S+)/); 
if (!lineClass) break ; 
type = type.slice(0, lineClass.index) + type.slice(lineClass.index + _AN_Read_length("length", lineClass[0])); 
var prop = lineClass[1]? "bgClass": "textClass"; 
if (output[prop] == null ) output[prop] = lineClass[2]; 
 else if (!(new RegExp("(?:^|s)" + lineClass[2] + "(?:$|s)")).test(output[prop])) output[prop] += " " + lineClass[2]; 
} 
return type; 
} 
function callBlankLine(mode, state){ 
if (mode.blankLine) return mode.blankLine(state); 
if (!mode.innerMode) return ; 
var inner = CodeMirror.innerMode(mode, state); 
if (inner.mode.blankLine) return inner.mode.blankLine(inner.state); 
} 
function readToken(mode, stream, state, inner){ 
for (var i = 0; 
i < 10; i++ ){ 
if (inner) inner[0] = CodeMirror.innerMode(mode, state).mode; 
var style = mode.token(stream, state); 
if (stream.pos > stream.start) return style; 
} 
throw new Error("Mode " + mode.name + " failed to advance stream.")
} 
function takeToken(cm, pos, precise, asArray){ 
function getObj(copy){ 
return { 
start: stream.start,
end: stream.pos,
string: stream.current(),
type: style || null ,
state: copy? copyState(doc.mode, state): state}
; 
} 
var doc = cm.doc, mode = doc.mode, style; 
pos = clipPos(doc, pos); 
var line = getLine(doc, pos.line), state = getStateBefore(cm, pos.line, precise); 
var stream = new StringStream(line.text, cm.options.tabSize), tokens; 
if (asArray) tokens = [] ; 
while ((asArray || stream.pos < pos.ch) && !stream.eol()){ 
stream.start = stream.pos; 
style = readToken(mode, stream, state); 
if (asArray) tokens.push(getObj(true )); 
} 
return asArray? tokens: getObj(); 
} 
function runMode(cm, text, mode, state, f, lineClasses, forceToEnd){ 
var flattenSpans = mode.flattenSpans; 
if (flattenSpans == null ) flattenSpans = cm.options.flattenSpans; 
var curStart = 0, curStyle = null ; 
var stream = new StringStream(text, cm.options.tabSize), style; 
var inner = cm.options.addModeClass && [null ] ; 
if (text == "") extractLineClasses(callBlankLine(mode, state), lineClasses); 
while (!stream.eol()){ 
if (stream.pos > cm.options.maxHighlightLength) { 
flattenSpans = false ; 
if (forceToEnd) processLine(cm, text, state, stream.pos); 
stream.pos = _AN_Read_length("length", text); 
style = null ; 
} 
 else { 
style = extractLineClasses(readToken(mode, stream, state, inner), lineClasses); 
} 
if (inner) { 
var mName = inner[0].name; 
if (mName) style = "m-" + (style? mName + " " + style: mName); 
} 
if (!flattenSpans || curStyle != style) { 
while (curStart < stream.start){ 
curStart = Math.min(stream.start, curStart + 50000); 
f(curStart, curStyle); 
} 
curStyle = style; 
} 
stream.start = stream.pos; 
} 
while (curStart < stream.pos){ 
var pos = Math.min(stream.pos, curStart + 50000); 
f(pos, curStyle); 
curStart = pos; 
} 
} 
function highlightLine(cm, line, state, forceToEnd){ 
var st = [cm.state.modeGen] , lineClasses = { 
}
; 
runMode(cm, line.text, cm.doc.mode, state, function (end, style){ 
st.push(end, style); 
} 
, lineClasses, forceToEnd); 
for (var o = 0; 
o < _AN_Read_length("length", cm.state.overlays); ++o){ 
var overlay = cm.state.overlays[o], i = 1, at = 0; 
runMode(cm, line.text, overlay.mode, true , function (end, style){ 
var start = i; 
while (at < end){ 
var i_end = st[i]; 
if (i_end > end) st.splice(i, 1, end, st[i + 1], i_end); 
i += 2; 
at = Math.min(end, i_end); 
} 
if (!style) return ; 
if (overlay.opaque) { 
st.splice(start, i - start, end, "cm-overlay " + style); 
i = start + 2; 
} 
 else { 
for (; start < i; start += 2){ 
var cur = st[start + 1]; 
st[start + 1] = (cur? cur + " ": "") + "cm-overlay " + style; 
} 
} 
} 
, lineClasses); 
} 
return { 
styles: st,
classes: lineClasses.bgClass || lineClasses.textClass? lineClasses: null }
; 
} 
function getLineStyles(cm, line, updateFrontier){ 
if (!line.styles || line.styles[0] != cm.state.modeGen) { 
var result = highlightLine(cm, line, line.stateAfter = getStateBefore(cm, lineNo(line))); 
line.styles = result.styles; 
if (result.classes) line.styleClasses = result.classes; 
 else if (line.styleClasses) line.styleClasses = null ; 
if (updateFrontier === cm.doc.frontier) cm.doc.frontier++ ; 
} 
return line.styles; 
} 
function processLine(cm, text, state, startAt){ 
var mode = cm.doc.mode; 
var stream = new StringStream(text, cm.options.tabSize); 
stream.start = stream.pos = startAt || 0; 
if (text == "") callBlankLine(mode, state); 
while (!stream.eol() && stream.pos <= cm.options.maxHighlightLength){ 
readToken(mode, stream, state); 
stream.start = stream.pos; 
} 
} 
var styleToClassCache = { 
}
, styleToClassCacheWithMode = { 
}
; 
function interpretTokenStyle(style, options){ 
if (!style || /^\s*$/.test(style)) return null ; 
var cache = options.addModeClass? styleToClassCacheWithMode: styleToClassCache; 
return cache[style] || (cache[style] = _AN_Call_replace("replace", style, /\S+/g, "cm-$&")); 
} 
function buildLineContent(cm, lineView){ 
var content = elt("span", null , null , webkit? "padding-right: .1px": null ); 
var builder = { 
pre: elt("pre", [content] ),
content: content,
col: 0,
pos: 0,
cm: cm,
splitSpaces: (ie || webkit) && cm.getOption("lineWrapping")}
; 
lineView.measure = { 
}
; 
for (var i = 0; 
i <= (lineView.rest? _AN_Read_length("length", lineView.rest): 0); i++ ){ 
var line = i? lineView.rest[i - 1]: lineView.line, order; 
builder.pos = 0; 
builder.addToken = buildToken; 
if (hasBadBidiRects(cm.display.measure) && (order = getOrder(line))) builder.addToken = buildTokenBadBidi(builder.addToken, order); 
builder.map = [] ; 
var allowFrontierUpdate = lineView != cm.display.externalMeasured && lineNo(line); 
insertLineContent(line, builder, getLineStyles(cm, line, allowFrontierUpdate)); 
if (line.styleClasses) { 
if (line.styleClasses.bgClass) builder.bgClass = joinClasses(line.styleClasses.bgClass, builder.bgClass || ""); 
if (line.styleClasses.textClass) builder.textClass = joinClasses(line.styleClasses.textClass, builder.textClass || ""); 
} 
if (_AN_Read_length("length", builder.map) == 0) builder.map.push(0, 0, _AN_Call_appendchild("appendChild", builder.content, zeroWidthElement(cm.display.measure))); 
if (i == 0) { 
lineView.measure.map = builder.map; 
lineView.measure.cache = { 
}
; 
} 
 else { 
(lineView.measure.maps || (lineView.measure.maps = [] )).push(builder.map); 
(lineView.measure.caches || (lineView.measure.caches = [] )).push({ 
}
); 
} 
} 
if (webkit && /\bcm-tab\b/.test(builder.content.lastChild.className)) builder.content.className = "cm-tab-wrap-hack"; 
signal(cm, "renderLine", cm, lineView.line, builder.pre); 
if (builder.pre.className) builder.textClass = joinClasses(builder.pre.className, builder.textClass || ""); 
return builder; 
} 
function defaultSpecialCharPlaceholder(ch){ 
var token = elt("span", "\u2022", "cm-invalidchar"); 
token.title = "\\u" + ch.charCodeAt(0).toString(16); 
_AN_Call_setattribute("setAttribute", token, "aria-label", token.title); 
return token; 
} 
function buildToken(builder, text, style, startStyle, endStyle, title, css){ 
if (!text) return ; 
var displayText = builder.splitSpaces? _AN_Call_replace("replace", text, / {3,}/g, splitSpaces): text; 
var special = builder.cm.state.specialChars, mustWrap = false ; 
if (!special.test(text)) { 
builder.col += _AN_Read_length("length", text); 
var content = document.createTextNode(displayText); 
builder.map.push(builder.pos, builder.pos + _AN_Read_length("length", text), content); 
if (ie && ie_version < 9) mustWrap = true ; 
builder.pos += _AN_Read_length("length", text); 
} 
 else { 
var content = document.createDocumentFragment(), pos = 0; 
while (true ){ 
special.lastIndex = pos; 
var m = special.exec(text); 
var skipped = m? m.index - pos: _AN_Read_length("length", text) - pos; 
if (skipped) { 
var txt = document.createTextNode(displayText.slice(pos, pos + skipped)); 
if (ie && ie_version < 9) _AN_Call_appendchild("appendChild", content, elt("span", [txt] )); 
 else _AN_Call_appendchild("appendChild", content, txt); 
builder.map.push(builder.pos, builder.pos + skipped, txt); 
builder.col += skipped; 
builder.pos += skipped; 
} 
if (!m) break ; 
pos += skipped + 1; 
if (m[0] == "\t") { 
var tabSize = builder.cm.options.tabSize, tabWidth = tabSize - builder.col % tabSize; 
var txt = _AN_Call_appendchild("appendChild", content, elt("span", spaceStr(tabWidth), "cm-tab")); 
_AN_Call_setattribute("setAttribute", txt, "role", "presentation"); 
_AN_Call_setattribute("setAttribute", txt, "cm-text", "\t"); 
builder.col += tabWidth; 
} 
 else { 
var txt = builder.cm.options.specialCharPlaceholder(m[0]); 
_AN_Call_setattribute("setAttribute", txt, "cm-text", m[0]); 
if (ie && ie_version < 9) _AN_Call_appendchild("appendChild", content, elt("span", [txt] )); 
 else _AN_Call_appendchild("appendChild", content, txt); 
builder.col += 1; 
} 
builder.map.push(builder.pos, builder.pos + 1, txt); 
builder.pos++ ; 
} 
} 
if (style || startStyle || endStyle || mustWrap || css) { 
var fullStyle = style || ""; 
if (startStyle) fullStyle += startStyle; 
if (endStyle) fullStyle += endStyle; 
var token = elt("span", [content] , fullStyle, css); 
if (title) token.title = title; 
return _AN_Call_appendchild("appendChild", builder.content, token); 
} 
_AN_Call_appendchild("appendChild", builder.content, content); 
} 
function splitSpaces(old){ 
var out = " "; 
for (var i = 0; 
i < _AN_Read_length("length", old) - 2; ++i)out += i % 2? " ": "\u00a0"; 
out += " "; 
return out; 
} 
function buildTokenBadBidi(inner, order){ 
return function (builder, text, style, startStyle, endStyle, title, css){ 
style = style? style + " cm-force-border": "cm-force-border"; 
var start = builder.pos, end = start + _AN_Read_length("length", text); 
for (; ; ){ 
for (var i = 0; 
i < _AN_Read_length("length", order); i++ ){ 
var part = order[i]; 
if (part.to > start && part.from <= start) break ; 
} 
if (part.to >= end) return inner(builder, text, style, startStyle, endStyle, title, css); 
inner(builder, text.slice(0, part.to - start), style, startStyle, null , title, css); 
startStyle = null ; 
text = text.slice(part.to - start); 
start = part.to; 
} 
} 
; 
} 
function buildCollapsedSpan(builder, size, marker, ignoreWidget){ 
var widget = !ignoreWidget && marker.widgetNode; 
if (widget) builder.map.push(builder.pos, builder.pos + size, widget); 
if (!ignoreWidget && builder.cm.display.input.needsContentAttribute) { 
if (!widget) widget = _AN_Call_appendchild("appendChild", builder.content, _AN_Call_createelement("createElement", document, "span")); 
_AN_Call_setattribute("setAttribute", widget, "cm-marker", marker.id); 
} 
if (widget) { 
builder.cm.display.input.setUneditable(widget); 
_AN_Call_appendchild("appendChild", builder.content, widget); 
} 
builder.pos += size; 
} 
function insertLineContent(line, builder, styles){ 
var spans = line.markedSpans, allText = line.text, at = 0; 
if (!spans) { 
for (var i = 1; 
i < _AN_Read_length("length", styles); i += 2)builder.addToken(builder, allText.slice(at, at = styles[i]), interpretTokenStyle(styles[i + 1], builder.cm.options)); 
return ; 
} 
var len = _AN_Read_length("length", allText), pos = 0, i = 1, text = "", style, css; 
var nextChange = 0, spanStyle, spanEndStyle, spanStartStyle, title, collapsed; 
for (; ; ){ 
if (nextChange == pos) { 
spanStyle = spanEndStyle = spanStartStyle = title = css = ""; 
collapsed = null ; 
nextChange = Infinity; 
var foundBookmarks = [] ; 
for (var j = 0; 
j < _AN_Read_length("length", spans); ++j){ 
var sp = spans[j], m = sp.marker; 
if (sp.from <= pos && (sp.to == null  || sp.to > pos)) { 
if (sp.to != null  && nextChange > sp.to) { 
nextChange = sp.to; 
spanEndStyle = ""; 
} 
if (m.className) spanStyle += " " + m.className; 
if (m.css) css = m.css; 
if (m.startStyle && sp.from == pos) spanStartStyle += " " + m.startStyle; 
if (m.endStyle && sp.to == nextChange) spanEndStyle += " " + m.endStyle; 
if (m.title && !title) title = m.title; 
if (m.collapsed && (!collapsed || compareCollapsedMarkers(collapsed.marker, m) < 0)) collapsed = sp; 
} 
 else if (sp.from > pos && nextChange > sp.from) { 
nextChange = sp.from; 
} 
if (m.type == "bookmark" && sp.from == pos && m.widgetNode) foundBookmarks.push(m); 
} 
if (collapsed && (collapsed.from || 0) == pos) { 
buildCollapsedSpan(builder, (collapsed.to == null ? len + 1: collapsed.to) - pos, collapsed.marker, collapsed.from == null ); 
if (collapsed.to == null ) return ; 
} 
if (!collapsed && _AN_Read_length("length", foundBookmarks)) for (var j = 0; 
j < _AN_Read_length("length", foundBookmarks); ++j)buildCollapsedSpan(builder, 0, foundBookmarks[j]); 
} 
if (pos >= len) break ; 
var upto = Math.min(len, nextChange); 
while (true ){ 
if (text) { 
var end = pos + _AN_Read_length("length", text); 
if (!collapsed) { 
var tokenText = end > upto? text.slice(0, upto - pos): text; 
builder.addToken(builder, tokenText, style? style + spanStyle: spanStyle, spanStartStyle, pos + _AN_Read_length("length", tokenText) == nextChange? spanEndStyle: "", title, css); 
} 
if (end >= upto) { 
text = text.slice(upto - pos); 
pos = upto; 
break ; 
} 
pos = end; 
spanStartStyle = ""; 
} 
text = allText.slice(at, at = styles[i++ ]); 
style = interpretTokenStyle(styles[i++ ], builder.cm.options); 
} 
} 
} 
function isWholeLineUpdate(doc, change){ 
return change.from.ch == 0 && change.to.ch == 0 && lst(change.text) == "" && (!doc.cm || doc.cm.options.wholeLineUpdateBefore); 
} 
function updateDoc(doc, change, markedSpans, estimateHeight){ 
function spansFor(n){ 
return markedSpans? markedSpans[n]: null ; 
} 
function update(line, text, spans){ 
updateLine(line, text, spans, estimateHeight); 
signalLater(line, "change", line, change); 
} 
function linesFor(start, end){ 
for (var i = start, result = [] ; 
i < end; ++i)result.push(new Line(text[i], spansFor(i), estimateHeight)); 
return result; 
} 
var from = change.from, to = change.to, text = change.text; 
var firstLine = getLine(doc, from.line), lastLine = getLine(doc, to.line); 
var lastText = lst(text), lastSpans = spansFor(_AN_Read_length("length", text) - 1), nlines = to.line - from.line; 
if (change.full) { 
doc.insert(0, linesFor(0, _AN_Read_length("length", text))); 
doc.remove(_AN_Read_length("length", text), doc.size - _AN_Read_length("length", text)); 
} 
 else if (isWholeLineUpdate(doc, change)) { 
var added = linesFor(0, _AN_Read_length("length", text) - 1); 
update(lastLine, lastLine.text, lastSpans); 
if (nlines) doc.remove(from.line, nlines); 
if (added.length) doc.insert(from.line, added); 
} 
 else if (firstLine == lastLine) { 
if (_AN_Read_length("length", text) == 1) { 
update(firstLine, firstLine.text.slice(0, from.ch) + lastText + firstLine.text.slice(to.ch), lastSpans); 
} 
 else { 
var added = linesFor(1, _AN_Read_length("length", text) - 1); 
added.push(new Line(lastText + firstLine.text.slice(to.ch), lastSpans, estimateHeight)); 
update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0)); 
doc.insert(from.line + 1, added); 
} 
} 
 else if (_AN_Read_length("length", text) == 1) { 
update(firstLine, firstLine.text.slice(0, from.ch) + text[0] + lastLine.text.slice(to.ch), spansFor(0)); 
doc.remove(from.line + 1, nlines); 
} 
 else { 
update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0)); 
update(lastLine, lastText + lastLine.text.slice(to.ch), lastSpans); 
var added = linesFor(1, _AN_Read_length("length", text) - 1); 
if (nlines > 1) doc.remove(from.line + 1, nlines - 1); 
doc.insert(from.line + 1, added); 
} 
signalLater(doc, "change", doc, change); 
} 
function LeafChunk(lines){ 
this.lines = lines; 
this.parent = null ; 
for (var i = 0, height = 0; 
i < _AN_Read_length("length", lines); ++i){ 
lines[i].parent = this; 
height += lines[i].height; 
} 
this.height = height; 
} 
LeafChunk.prototype = { 
chunkSize: function (){ 
return _AN_Read_length("length", this.lines); 
} 
,
removeInner: function (at, n){ 
for (var i = at, e = at + n; 
i < e; ++i){ 
var line = this.lines[i]; 
this.height -= line.height; 
cleanUpLine(line); 
signalLater(line, "delete"); 
} 
this.lines.splice(at, n); 
} 
,
collapse: function (lines){ 
lines.push.apply(lines, this.lines); 
} 
,
insertInner: function (at, lines, height){ 
this.height += height; 
this.lines = this.lines.slice(0, at).concat(lines).concat(this.lines.slice(at)); 
for (var i = 0; 
i < _AN_Read_length("length", lines); ++i)lines[i].parent = this; 
} 
,
iterN: function (at, n, op){ 
for (var e = at + n; 
at < e; ++at)if (op(this.lines[at])) return true ; 
} 
}
; 
function BranchChunk(children){ 
this.children = children; 
var size = 0, height = 0; 
for (var i = 0; 
i < _AN_Read_length("length", children); ++i){ 
var ch = children[i]; 
size += ch.chunkSize(); 
height += ch.height; 
ch.parent = this; 
} 
this.size = size; 
this.height = height; 
this.parent = null ; 
} 
BranchChunk.prototype = { 
chunkSize: function (){ 
return this.size; 
} 
,
removeInner: function (at, n){ 
this.size -= n; 
for (var i = 0; 
i < _AN_Read_length("length", this.children); ++i){ 
var child = this.children[i], sz = child.chunkSize(); 
if (at < sz) { 
var rm = Math.min(n, sz - at), oldHeight = child.height; 
child.removeInner(at, rm); 
this.height -= oldHeight - child.height; 
if (sz == rm) { 
this.children.splice(i-- , 1); 
child.parent = null ; 
} 
if ((n -= rm) == 0) break ; 
at = 0; 
} 
 else at -= sz; 
} 
if (this.size - n < 25 && (_AN_Read_length("length", this.children) > 1 || !(this.children[0] instanceof LeafChunk))) { 
var lines = [] ; 
this.collapse(lines); 
this.children = [new LeafChunk(lines)] ; 
this.children[0].parent = this; 
} 
} 
,
collapse: function (lines){ 
for (var i = 0; 
i < _AN_Read_length("length", this.children); ++i)this.children[i].collapse(lines); 
} 
,
insertInner: function (at, lines, height){ 
this.size += _AN_Read_length("length", lines); 
this.height += height; 
for (var i = 0; 
i < _AN_Read_length("length", this.children); ++i){ 
var child = this.children[i], sz = child.chunkSize(); 
if (at <= sz) { 
child.insertInner(at, lines, height); 
if (child.lines && _AN_Read_length("length", child.lines) > 50) { 
while (_AN_Read_length("length", child.lines) > 50){ 
var spilled = child.lines.splice(_AN_Read_length("length", child.lines) - 25, 25); 
var newleaf = new LeafChunk(spilled); 
child.height -= newleaf.height; 
this.children.splice(i + 1, 0, newleaf); 
newleaf.parent = this; 
} 
this.maybeSpill(); 
} 
break ; 
} 
at -= sz; 
} 
} 
,
maybeSpill: function (){ 
if (_AN_Read_length("length", this.children) <= 10) return ; 
var me = this; 
do { 
var spilled = me.children.splice(_AN_Read_length("length", me.children) - 5, 5); 
var sibling = new BranchChunk(spilled); 
if (!me.parent) { 
var copy = new BranchChunk(me.children); 
copy.parent = me; 
me.children = [copy, sibling] ; 
me = copy; 
} 
 else { 
me.size -= sibling.size; 
me.height -= sibling.height; 
var myIndex = indexOf(me.parent.children, me); 
me.parent.children.splice(myIndex + 1, 0, sibling); 
} 
sibling.parent = me.parent; 
} 
while(_AN_Read_length("length", me.children) > 10)me.parent.maybeSpill(); 
} 
,
iterN: function (at, n, op){ 
for (var i = 0; 
i < _AN_Read_length("length", this.children); ++i){ 
var child = this.children[i], sz = child.chunkSize(); 
if (at < sz) { 
var used = Math.min(n, sz - at); 
if (child.iterN(at, used, op)) return true ; 
if ((n -= used) == 0) break ; 
at = 0; 
} 
 else at -= sz; 
} 
} 
}
; 
var nextDocId = 0; 
var Doc = CodeMirror.Doc = function (text, mode, firstLine){ 
if (!(this instanceof Doc)) return new Doc(text, mode, firstLine); 
if (firstLine == null ) firstLine = 0; 
BranchChunk.call(this, [new LeafChunk([new Line("", null )] )] ); 
this.first = firstLine; 
this.scrollTop = this.scrollLeft = 0; 
this.cantEdit = false ; 
this.cleanGeneration = 1; 
this.frontier = firstLine; 
var start = Pos(firstLine, 0); 
this.sel = simpleSelection(start); 
this.history = new History(null ); 
this.id = ++nextDocId; 
this.modeOption = mode; 
if (typeof text == "string") text = splitLines(text); 
updateDoc(this, { 
from: start,
to: start,
text: text}
); 
setSelection(this, simpleSelection(start), sel_dontScroll); 
} 
; 
Doc.prototype = createObj(BranchChunk.prototype, { 
constructor: Doc,
iter: function (from, to, op){ 
if (op) this.iterN(from - this.first, to - from, op); 
 else this.iterN(this.first, this.first + this.size, from); 
} 
,
insert: function (at, lines){ 
var height = 0; 
for (var i = 0; 
i < _AN_Read_length("length", lines); ++i)height += lines[i].height; 
this.insertInner(at - this.first, lines, height); 
} 
,
remove: function (at, n){ 
this.removeInner(at - this.first, n); 
} 
,
getValue: function (lineSep){ 
var lines = getLines(this, this.first, this.first + this.size); 
if (lineSep === false ) return lines; 
return lines.join(lineSep || "\n"); 
} 
,
setValue: docMethodOp(function (code){ 
var top = Pos(this.first, 0), last = this.first + this.size - 1; 
makeChange(this, { 
from: top,
to: Pos(last, _AN_Read_length("length", getLine(this, last).text)),
text: splitLines(code),
origin: "setValue",
full: true }
, true ); 
setSelection(this, simpleSelection(top)); 
} 
),
replaceRange: function (code, from, to, origin){ 
from = clipPos(this, from); 
to = to? clipPos(this, to): from; 
replaceRange(this, code, from, to, origin); 
} 
,
getRange: function (from, to, lineSep){ 
var lines = getBetween(this, clipPos(this, from), clipPos(this, to)); 
if (lineSep === false ) return lines; 
return lines.join(lineSep || "\n"); 
} 
,
getLine: function (line){ 
var l = this.getLineHandle(line); 
return l && l.text; 
} 
,
getLineHandle: function (line){ 
if (isLine(this, line)) return getLine(this, line); 
} 
,
getLineNumber: function (line){ 
return lineNo(line); 
} 
,
getLineHandleVisualStart: function (line){ 
if (typeof line == "number") line = getLine(this, line); 
return visualLine(line); 
} 
,
lineCount: function (){ 
return this.size; 
} 
,
firstLine: function (){ 
return this.first; 
} 
,
lastLine: function (){ 
return this.first + this.size - 1; 
} 
,
clipPos: function (pos){ 
return clipPos(this, pos); 
} 
,
getCursor: function (start){ 
var range = this.sel.primary(), pos; 
if (start == null  || start == "head") pos = range.head; 
 else if (start == "anchor") pos = range.anchor; 
 else if (start == "end" || start == "to" || start === false ) pos = range.to(); 
 else pos = range.from(); 
return pos; 
} 
,
listSelections: function (){ 
return this.sel.ranges; 
} 
,
somethingSelected: function (){ 
return this.sel.somethingSelected(); 
} 
,
setCursor: docMethodOp(function (line, ch, options){ 
setSimpleSelection(this, clipPos(this, typeof line == "number"? Pos(line, ch || 0): line), null , options); 
} 
),
setSelection: docMethodOp(function (anchor, head, options){ 
setSimpleSelection(this, clipPos(this, anchor), clipPos(this, head || anchor), options); 
} 
),
extendSelection: docMethodOp(function (head, other, options){ 
extendSelection(this, clipPos(this, head), other && clipPos(this, other), options); 
} 
),
extendSelections: docMethodOp(function (heads, options){ 
extendSelections(this, clipPosArray(this, heads, options)); 
} 
),
extendSelectionsBy: docMethodOp(function (f, options){ 
extendSelections(this, map(this.sel.ranges, f), options); 
} 
),
setSelections: docMethodOp(function (ranges, primary, options){ 
if (!_AN_Read_length("length", ranges)) return ; 
for (var i = 0, out = [] ; 
i < _AN_Read_length("length", ranges); i++ )out[i] = new Range(clipPos(this, ranges[i].anchor), clipPos(this, ranges[i].head)); 
if (primary == null ) primary = Math.min(_AN_Read_length("length", ranges) - 1, this.sel.primIndex); 
setSelection(this, normalizeSelection(out, primary), options); 
} 
),
addSelection: docMethodOp(function (anchor, head, options){ 
var ranges = this.sel.ranges.slice(0); 
ranges.push(new Range(clipPos(this, anchor), clipPos(this, head || anchor))); 
setSelection(this, normalizeSelection(ranges, _AN_Read_length("length", ranges) - 1), options); 
} 
),
getSelection: function (lineSep){ 
var ranges = this.sel.ranges, lines; 
for (var i = 0; 
i < _AN_Read_length("length", ranges); i++ ){ 
var sel = getBetween(this, ranges[i].from(), ranges[i].to()); 
lines = lines? lines.concat(sel): sel; 
} 
if (lineSep === false ) return lines; 
 else return lines.join(lineSep || "\n"); 
} 
,
getSelections: function (lineSep){ 
var parts = [] , ranges = this.sel.ranges; 
for (var i = 0; 
i < _AN_Read_length("length", ranges); i++ ){ 
var sel = getBetween(this, ranges[i].from(), ranges[i].to()); 
if (lineSep !== false ) sel = sel.join(lineSep || "\n"); 
parts[i] = sel; 
} 
return parts; 
} 
,
replaceSelection: function (code, collapse, origin){ 
var dup = [] ; 
for (var i = 0; 
i < _AN_Read_length("length", this.sel.ranges); i++ )dup[i] = code; 
this.replaceSelections(dup, collapse, origin || "+input"); 
} 
,
replaceSelections: docMethodOp(function (code, collapse, origin){ 
var changes = [] , sel = this.sel; 
for (var i = 0; 
i < _AN_Read_length("length", sel.ranges); i++ ){ 
var range = sel.ranges[i]; 
changes[i] = { 
from: range.from(),
to: range.to(),
text: splitLines(code[i]),
origin: origin}
; 
} 
var newSel = collapse && collapse != "end" && computeReplacedSel(this, changes, collapse); 
for (var i = _AN_Read_length("length", changes) - 1; 
i >= 0; i-- )makeChange(this, changes[i]); 
if (newSel) setSelectionReplaceHistory(this, newSel); 
 else if (this.cm) ensureCursorVisible(this.cm); 
} 
),
undo: docMethodOp(function (){ 
makeChangeFromHistory(this, "undo"); 
} 
),
redo: docMethodOp(function (){ 
makeChangeFromHistory(this, "redo"); 
} 
),
undoSelection: docMethodOp(function (){ 
makeChangeFromHistory(this, "undo", true ); 
} 
),
redoSelection: docMethodOp(function (){ 
makeChangeFromHistory(this, "redo", true ); 
} 
),
setExtending: function (val){ 
this.extend = val; 
} 
,
getExtending: function (){ 
return this.extend; 
} 
,
historySize: function (){ 
var hist = this.history, done = 0, undone = 0; 
for (var i = 0; 
i < _AN_Read_length("length", hist.done); i++ )if (!hist.done[i].ranges) ++done; 
for (var i = 0; 
i < _AN_Read_length("length", hist.undone); i++ )if (!hist.undone[i].ranges) ++undone; 
return { 
undo: done,
redo: undone}
; 
} 
,
clearHistory: function (){ 
this.history = new History(this.history.maxGeneration); 
} 
,
markClean: function (){ 
this.cleanGeneration = this.changeGeneration(true ); 
} 
,
changeGeneration: function (forceSplit){ 
if (forceSplit) this.history.lastOp = this.history.lastSelOp = this.history.lastOrigin = null ; 
return this.history.generation; 
} 
,
isClean: function (gen){ 
return this.history.generation == (gen || this.cleanGeneration); 
} 
,
getHistory: function (){ 
return { 
done: copyHistoryArray(this.history.done),
undone: copyHistoryArray(this.history.undone)}
; 
} 
,
setHistory: function (histData){ 
var hist = this.history = new History(this.history.maxGeneration); 
hist.done = copyHistoryArray(histData.done.slice(0), null , true ); 
hist.undone = copyHistoryArray(histData.undone.slice(0), null , true ); 
} 
,
addLineClass: docMethodOp(function (handle, where, cls){ 
return changeLine(this, handle, where == "gutter"? "gutter": "class", function (line){ 
var prop = where == "text"? "textClass": where == "background"? "bgClass": where == "gutter"? "gutterClass": "wrapClass"; 
if (!line[prop]) line[prop] = cls; 
 else if (classTest(cls).test(line[prop])) return false ; 
 else line[prop] += " " + cls; 
return true ; 
} 
); 
} 
),
removeLineClass: docMethodOp(function (handle, where, cls){ 
return changeLine(this, handle, where == "gutter"? "gutter": "class", function (line){ 
var prop = where == "text"? "textClass": where == "background"? "bgClass": where == "gutter"? "gutterClass": "wrapClass"; 
var cur = line[prop]; 
if (!cur) return false ; 
 else if (cls == null ) line[prop] = null ; 
 else { 
var found = cur.match(classTest(cls)); 
if (!found) return false ; 
var end = found.index + _AN_Read_length("length", found[0]); 
line[prop] = cur.slice(0, found.index) + (!found.index || end == _AN_Read_length("length", cur)? "": " ") + cur.slice(end) || null ; 
} 
return true ; 
} 
); 
} 
),
addLineWidget: docMethodOp(function (handle, node, options){ 
return addLineWidget(this, handle, node, options); 
} 
),
removeLineWidget: function (widget){ 
_AN_Call_clear("clear", widget); 
} 
,
markText: function (from, to, options){ 
return markText(this, clipPos(this, from), clipPos(this, to), options, "range"); 
} 
,
setBookmark: function (pos, options){ 
var realOpts = { 
replacedWith: options && (options.nodeType == null ? options.widget: options),
insertLeft: options && options.insertLeft,
clearWhenEmpty: false ,
shared: options && options.shared,
handleMouseEvents: options && options.handleMouseEvents}
; 
pos = clipPos(this, pos); 
return markText(this, pos, pos, realOpts, "bookmark"); 
} 
,
findMarksAt: function (pos){ 
pos = clipPos(this, pos); 
var markers = [] , spans = getLine(this, pos.line).markedSpans; 
if (spans) for (var i = 0; 
i < _AN_Read_length("length", spans); ++i){ 
var span = spans[i]; 
if ((span.from == null  || span.from <= pos.ch) && (span.to == null  || span.to >= pos.ch)) markers.push(span.marker.parent || span.marker); 
} 
return markers; 
} 
,
findMarks: function (from, to, filter){ 
from = clipPos(this, from); 
to = clipPos(this, to); 
var found = [] , lineNo = from.line; 
this.iter(from.line, to.line + 1, function (line){ 
var spans = line.markedSpans; 
if (spans) for (var i = 0; 
i < _AN_Read_length("length", spans); i++ ){ 
var span = spans[i]; 
if (!(lineNo == from.line && from.ch > span.to || span.from == null  && lineNo != from.line || lineNo == to.line && span.from > to.ch) && (!filter || filter(span.marker))) found.push(span.marker.parent || span.marker); 
} 
++lineNo; 
} 
); 
return found; 
} 
,
getAllMarks: function (){ 
var markers = [] ; 
this.iter(function (line){ 
var sps = line.markedSpans; 
if (sps) for (var i = 0; 
i < _AN_Read_length("length", sps); ++i)if (sps[i].from != null ) markers.push(sps[i].marker); 
} 
); 
return markers; 
} 
,
posFromIndex: function (off){ 
var ch, lineNo = this.first; 
this.iter(function (line){ 
var sz = _AN_Read_length("length", line.text) + 1; 
if (sz > off) { 
ch = off; 
return true ; 
} 
off -= sz; 
++lineNo; 
} 
); 
return clipPos(this, Pos(lineNo, ch)); 
} 
,
indexFromPos: function (coords){ 
coords = clipPos(this, coords); 
var index = coords.ch; 
if (coords.line < this.first || coords.ch < 0) return 0; 
this.iter(this.first, coords.line, function (line){ 
index += _AN_Read_length("length", line.text) + 1; 
} 
); 
return index; 
} 
,
copy: function (copyHistory){ 
var doc = new Doc(getLines(this, this.first, this.first + this.size), this.modeOption, this.first); 
doc.scrollTop = this.scrollTop; 
doc.scrollLeft = this.scrollLeft; 
doc.sel = this.sel; 
doc.extend = false ; 
if (copyHistory) { 
doc.history.undoDepth = this.history.undoDepth; 
doc.setHistory(this.getHistory()); 
} 
return doc; 
} 
,
linkedDoc: function (options){ 
if (!options) options = { 
}
; 
var from = this.first, to = this.first + this.size; 
if (options.from != null  && options.from > from) from = options.from; 
if (options.to != null  && options.to < to) to = options.to; 
var copy = new Doc(getLines(this, from, to), options.mode || this.modeOption, from); 
if (options.sharedHist) copy.history = this.history; 
(this.linked || (this.linked = [] )).push({ 
doc: copy,
sharedHist: options.sharedHist}
); 
copy.linked = [{ 
doc: this,
isParent: true ,
sharedHist: options.sharedHist}
] ; 
copySharedMarkers(copy, findSharedMarkers(this)); 
return copy; 
} 
,
unlinkDoc: function (other){ 
if (other instanceof CodeMirror) other = other.doc; 
if (this.linked) for (var i = 0; 
i < _AN_Read_length("length", this.linked); ++i){ 
var link = this.linked[i]; 
if (link.doc != other) continue ; 
this.linked.splice(i, 1); 
other.unlinkDoc(this); 
detachSharedMarkers(findSharedMarkers(this)); 
break ; 
} 
if (other.history == this.history) { 
var splitIds = [other.id] ; 
linkedDocs(other, function (doc){ 
splitIds.push(doc.id); 
} 
, true ); 
other.history = new History(null ); 
other.history.done = copyHistoryArray(this.history.done, splitIds); 
other.history.undone = copyHistoryArray(this.history.undone, splitIds); 
} 
} 
,
iterLinkedDocs: function (f){ 
linkedDocs(this, f); 
} 
,
getMode: function (){ 
return this.mode; 
} 
,
getEditor: function (){ 
return this.cm; 
} 
}
); 
Doc.prototype.eachLine = Doc.prototype.iter; 
var dontDelegate = "iter insert remove copy getEditor".split(" "); 
for (var prop in Doc.prototype)if (Doc.prototype.hasOwnProperty(prop) && indexOf(dontDelegate, prop) < 0) CodeMirror.prototype[prop] = (function (method){ 
return function (){ 
return method.apply(this.doc, arguments); 
} 
; 
} 
)(Doc.prototype[prop]); 
eventMixin(Doc); 
function linkedDocs(doc, f, sharedHistOnly){ 
function propagate(doc, skip, sharedHist){ 
if (doc.linked) for (var i = 0; 
i < _AN_Read_length("length", doc.linked); ++i){ 
var rel = doc.linked[i]; 
if (rel.doc == skip) continue ; 
var shared = sharedHist && rel.sharedHist; 
if (sharedHistOnly && !shared) continue ; 
f(rel.doc, shared); 
propagate(rel.doc, doc, shared); 
} 
} 
propagate(doc, null , true ); 
} 
function attachDoc(cm, doc){ 
if (doc.cm) throw new Error("This document is already in use.")
cm.doc = doc; 
doc.cm = cm; 
estimateLineHeights(cm); 
loadMode(cm); 
if (!cm.options.lineWrapping) findMaxLine(cm); 
cm.options.mode = doc.modeOption; 
regChange(cm); 
} 
function getLine(doc, n){ 
n -= doc.first; 
if (n < 0 || n >= doc.size) throw new Error("There is no line " + (n + doc.first) + " in the document.")
for (var chunk = doc; 
!chunk.lines; ){ 
for (var i = 0; 
; ++i){ 
var child = chunk.children[i], sz = child.chunkSize(); 
if (n < sz) { 
chunk = child; 
break ; 
} 
n -= sz; 
} 
} 
return chunk.lines[n]; 
} 
function getBetween(doc, start, end){ 
var out = [] , n = start.line; 
doc.iter(start.line, end.line + 1, function (line){ 
var text = line.text; 
if (n == end.line) text = text.slice(0, end.ch); 
if (n == start.line) text = text.slice(start.ch); 
out.push(text); 
++n; 
} 
); 
return out; 
} 
function getLines(doc, from, to){ 
var out = [] ; 
doc.iter(from, to, function (line){ 
out.push(line.text); 
} 
); 
return out; 
} 
function updateLineHeight(line, height){ 
var diff = height - line.height; 
if (diff) for (var n = line; 
n; n = n.parent)n.height += diff; 
} 
function lineNo(line){ 
if (line.parent == null ) return null ; 
var cur = line.parent, no = indexOf(cur.lines, line); 
for (var chunk = cur.parent; 
chunk; cur = chunk, chunk = chunk.parent){ 
for (var i = 0; 
; ++i){ 
if (chunk.children[i] == cur) break ; 
no += chunk.children[i].chunkSize(); 
} 
} 
return no + cur.first; 
} 
function lineAtHeight(chunk, h){ 
var n = chunk.first; 
outer: do { 
for (var i = 0; 
i < _AN_Read_length("length", chunk.children); ++i){ 
var child = chunk.children[i], ch = child.height; 
if (h < ch) { 
chunk = child; 
continue outer; 
} 
h -= ch; 
n += child.chunkSize(); 
} 
return n; 
} 
while(!chunk.lines)for (var i = 0; 
i < _AN_Read_length("length", chunk.lines); ++i){ 
var line = chunk.lines[i], lh = line.height; 
if (h < lh) break ; 
h -= lh; 
} 
return n + i; 
} 
function heightAtLine(lineObj){ 
lineObj = visualLine(lineObj); 
var h = 0, chunk = lineObj.parent; 
for (var i = 0; 
i < _AN_Read_length("length", chunk.lines); ++i){ 
var line = chunk.lines[i]; 
if (line == lineObj) break ; 
 else h += line.height; 
} 
for (var p = chunk.parent; 
p; chunk = p, p = chunk.parent){ 
for (var i = 0; 
i < _AN_Read_length("length", p.children); ++i){ 
var cur = p.children[i]; 
if (cur == chunk) break ; 
 else h += cur.height; 
} 
} 
return h; 
} 
function getOrder(line){ 
var order = line.order; 
if (order == null ) order = line.order = bidiOrdering(line.text); 
return order; 
} 
function History(startGen){ 
this.done = [] ; 
this.undone = [] ; 
this.undoDepth = Infinity; 
this.lastModTime = this.lastSelTime = 0; 
this.lastOp = this.lastSelOp = null ; 
this.lastOrigin = this.lastSelOrigin = null ; 
this.generation = this.maxGeneration = startGen || 1; 
} 
function historyChangeFromChange(doc, change){ 
var histChange = { 
from: copyPos(change.from),
to: changeEnd(change),
text: getBetween(doc, change.from, change.to)}
; 
attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1); 
linkedDocs(doc, function (doc){ 
attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1); 
} 
, true ); 
return histChange; 
} 
function clearSelectionEvents(array){ 
while (array.length){ 
var last = lst(array); 
if (last.ranges) array.pop(); 
 else break ; 
} 
} 
function lastChangeEvent(hist, force){ 
if (force) { 
clearSelectionEvents(hist.done); 
return lst(hist.done); 
} 
 else if (_AN_Read_length("length", hist.done) && !lst(hist.done).ranges) { 
return lst(hist.done); 
} 
 else if (_AN_Read_length("length", hist.done) > 1 && !hist.done[_AN_Read_length("length", hist.done) - 2].ranges) { 
hist.done.pop(); 
return lst(hist.done); 
} 
} 
function addChangeToHistory(doc, change, selAfter, opId){ 
var hist = doc.history; 
hist.undone.length = 0; 
var time = + new Date(), cur; 
if ((hist.lastOp == opId || hist.lastOrigin == change.origin && change.origin && ((change.origin.charAt(0) == "+" && doc.cm && hist.lastModTime > time - doc.cm.options.historyEventDelay) || change.origin.charAt(0) == "*")) && (cur = lastChangeEvent(hist, hist.lastOp == opId))) { 
var last = lst(cur.changes); 
if (cmp(change.from, change.to) == 0 && cmp(change.from, last.to) == 0) { 
last.to = changeEnd(change); 
} 
 else { 
cur.changes.push(historyChangeFromChange(doc, change)); 
} 
} 
 else { 
var before = lst(hist.done); 
if (!before || !before.ranges) pushSelectionToHistory(doc.sel, hist.done); 
cur = { 
changes: [historyChangeFromChange(doc, change)] ,
generation: hist.generation}
; 
hist.done.push(cur); 
while (_AN_Read_length("length", hist.done) > hist.undoDepth){ 
hist.done.shift(); 
if (!hist.done[0].ranges) hist.done.shift(); 
} 
} 
hist.done.push(selAfter); 
hist.generation = ++hist.maxGeneration; 
hist.lastModTime = hist.lastSelTime = time; 
hist.lastOp = hist.lastSelOp = opId; 
hist.lastOrigin = hist.lastSelOrigin = change.origin; 
if (!last) signal(doc, "historyAdded"); 
} 
function selectionEventCanBeMerged(doc, origin, prev, sel){ 
var ch = origin.charAt(0); 
return ch == "*" || ch == "+" && _AN_Read_length("length", prev.ranges) == _AN_Read_length("length", sel.ranges) && prev.somethingSelected() == sel.somethingSelected() && new Date() - doc.history.lastSelTime <= (doc.cm? doc.cm.options.historyEventDelay: 500); 
} 
function addSelectionToHistory(doc, sel, opId, options){ 
var hist = doc.history, origin = options && options.origin; 
if (opId == hist.lastSelOp || (origin && hist.lastSelOrigin == origin && (hist.lastModTime == hist.lastSelTime && hist.lastOrigin == origin || selectionEventCanBeMerged(doc, origin, lst(hist.done), sel)))) hist.done[_AN_Read_length("length", hist.done) - 1] = sel; 
 else pushSelectionToHistory(sel, hist.done); 
hist.lastSelTime = + new Date(); 
hist.lastSelOrigin = origin; 
hist.lastSelOp = opId; 
if (options && options.clearRedo !== false ) clearSelectionEvents(hist.undone); 
} 
function pushSelectionToHistory(sel, dest){ 
var top = lst(dest); 
if (!(top && top.ranges && top.equals(sel))) dest.push(sel); 
} 
function attachLocalSpans(doc, change, from, to){ 
var existing = change["spans_" + doc.id], n = 0; 
doc.iter(Math.max(doc.first, from), Math.min(doc.first + doc.size, to), function (line){ 
if (line.markedSpans) (existing || (existing = change["spans_" + doc.id] = { 
}
))[n] = line.markedSpans; 
++n; 
} 
); 
} 
function removeClearedSpans(spans){ 
if (!spans) return null ; 
for (var i = 0, out; 
i < _AN_Read_length("length", spans); ++i){ 
if (spans[i].marker.explicitlyCleared) { 
if (!out) out = spans.slice(0, i); 
} 
 else if (out) out.push(spans[i]); 
} 
return !out? spans: _AN_Read_length("length", out)? out: null ; 
} 
function getOldSpans(doc, change){ 
var found = change["spans_" + doc.id]; 
if (!found) return null ; 
for (var i = 0, nw = [] ; 
i < _AN_Read_length("length", change.text); ++i)nw.push(removeClearedSpans(found[i])); 
return nw; 
} 
function copyHistoryArray(events, newGroup, instantiateSel){ 
for (var i = 0, copy = [] ; 
i < _AN_Read_length("length", events); ++i){ 
var event = events[i]; 
if (event.ranges) { 
copy.push(instantiateSel? Selection.prototype.deepCopy.call(event): event); 
continue ; 
} 
var changes = event.changes, newChanges = [] ; 
copy.push({ 
changes: newChanges}
); 
for (var j = 0; 
j < _AN_Read_length("length", changes); ++j){ 
var change = changes[j], m; 
newChanges.push({ 
from: change.from,
to: change.to,
text: change.text}
); 
if (newGroup) for (var prop in change)if (m = prop.match(/^spans_(\d+)$/)) { 
if (indexOf(newGroup, Number(m[1])) > -1) { 
lst(newChanges)[prop] = change[prop]; 
delete change[prop]; 
} 
} 
} 
} 
return copy; 
} 
function rebaseHistSelSingle(pos, from, to, diff){ 
if (to < pos.line) { 
pos.line += diff; 
} 
 else if (from < pos.line) { 
pos.line = from; 
pos.ch = 0; 
} 
} 
function rebaseHistArray(array, from, to, diff){ 
for (var i = 0; 
i < _AN_Read_length("length", array); ++i){ 
var sub = array[i], ok = true ; 
if (sub.ranges) { 
if (!sub.copied) { 
sub = array[i] = sub.deepCopy(); 
sub.copied = true ; 
} 
for (var j = 0; 
j < _AN_Read_length("length", sub.ranges); j++ ){ 
rebaseHistSelSingle(sub.ranges[j].anchor, from, to, diff); 
rebaseHistSelSingle(sub.ranges[j].head, from, to, diff); 
} 
continue ; 
} 
for (var j = 0; 
j < _AN_Read_length("length", sub.changes); ++j){ 
var cur = sub.changes[j]; 
if (to < cur.from.line) { 
cur.from = Pos(cur.from.line + diff, cur.from.ch); 
cur.to = Pos(cur.to.line + diff, cur.to.ch); 
} 
 else if (from <= cur.to.line) { 
ok = false ; 
break ; 
} 
} 
if (!ok) { 
array.splice(0, i + 1); 
i = 0; 
} 
} 
} 
function rebaseHist(hist, change){ 
var from = change.from.line, to = change.to.line, diff = _AN_Read_length("length", change.text) - (to - from) - 1; 
rebaseHistArray(hist.done, from, to, diff); 
rebaseHistArray(hist.undone, from, to, diff); 
} 
var e_preventDefault = CodeMirror.e_preventDefault = function (e){ 
if (e.preventDefault) e.preventDefault(); 
 else e.returnValue = false ; 
} 
; 
var e_stopPropagation = CodeMirror.e_stopPropagation = function (e){ 
if (e.stopPropagation) e.stopPropagation(); 
 else e.cancelBubble = true ; 
} 
; 
function e_defaultPrevented(e){ 
return e.defaultPrevented != null ? e.defaultPrevented: e.returnValue == false ; 
} 
var e_stop = CodeMirror.e_stop = function (e){ 
e_preventDefault(e); 
e_stopPropagation(e); 
} 
; 
function e_target(e){ 
return _AN_Read_target("target", e) || e.srcElement; 
} 
function e_button(e){ 
var b = e.which; 
if (b == null ) { 
if (e.button & 1) b = 1; 
 else if (e.button & 2) b = 3; 
 else if (e.button & 4) b = 2; 
} 
if (mac && e.ctrlKey && b == 1) b = 3; 
return b; 
} 
var on = CodeMirror.on = function (emitter, type, f){ 
if (emitter.addEventListener) emitter.addEventListener(type, f, false ); 
 else if (emitter.attachEvent) emitter.attachEvent("on" + type, f); 
 else { 
var map = emitter._handlers || (emitter._handlers = { 
}
); 
var arr = map[type] || (map[type] = [] ); 
arr.push(f); 
} 
} 
; 
var off = CodeMirror.off = function (emitter, type, f){ 
if (emitter.removeEventListener) emitter.removeEventListener(type, f, false ); 
 else if (emitter.detachEvent) emitter.detachEvent("on" + type, f); 
 else { 
var arr = emitter._handlers && emitter._handlers[type]; 
if (!arr) return ; 
for (var i = 0; 
i < _AN_Read_length("length", arr); ++i)if (arr[i] == f) { 
arr.splice(i, 1); 
break ; 
} 
} 
} 
; 
var signal = CodeMirror.signal = function (emitter, type){ 
var arr = emitter._handlers && emitter._handlers[type]; 
if (!arr) return ; 
var args = Array.prototype.slice.call(arguments, 2); 
for (var i = 0; 
i < _AN_Read_length("length", arr); ++i)arr[i].apply(null , args); 
} 
; 
var orphanDelayedCallbacks = null ; 
function signalLater(emitter, type){ 
var arr = emitter._handlers && emitter._handlers[type]; 
if (!arr) return ; 
var args = Array.prototype.slice.call(arguments, 2), list; 
if (operationGroup) { 
list = operationGroup.delayedCallbacks; 
} 
 else if (orphanDelayedCallbacks) { 
list = orphanDelayedCallbacks; 
} 
 else { 
list = orphanDelayedCallbacks = [] ; 
_AN_Call_settimeout("setTimeout", window, fireOrphanDelayed, 0); 
} 
function bnd(f){ 
return function (){ 
f.apply(null , args); 
} 
; 
} 
; 
for (var i = 0; 
i < _AN_Read_length("length", arr); ++i)list.push(bnd(arr[i])); 
} 
function fireOrphanDelayed(){ 
var delayed = orphanDelayedCallbacks; 
orphanDelayedCallbacks = null ; 
for (var i = 0; 
i < _AN_Read_length("length", delayed); ++i)delayed[i](); 
} 
function signalDOMEvent(cm, e, override){ 
if (typeof e == "string") e = { 
type: e,
preventDefault: function (){ 
this.defaultPrevented = true ; 
} 
}
; 
signal(cm, override || e.type, cm, e); 
return e_defaultPrevented(e) || e.codemirrorIgnore; 
} 
function signalCursorActivity(cm){ 
var arr = cm._handlers && cm._handlers.cursorActivity; 
if (!arr) return ; 
var set = cm.curOp.cursorActivityHandlers || (cm.curOp.cursorActivityHandlers = [] ); 
for (var i = 0; 
i < _AN_Read_length("length", arr); ++i)if (indexOf(set, arr[i]) == -1) set.push(arr[i]); 
} 
function hasHandler(emitter, type){ 
var arr = emitter._handlers && emitter._handlers[type]; 
return arr && _AN_Read_length("length", arr) > 0; 
} 
function eventMixin(ctor){ 
ctor.prototype.on = function (type, f){ 
on(this, type, f); 
} 
; 
ctor.prototype.off = function (type, f){ 
off(this, type, f); 
} 
; 
} 
var scrollerGap = 30; 
var Pass = CodeMirror.Pass = { 
toString: function (){ 
return "CodeMirror.Pass"; 
} 
}
; 
var sel_dontScroll = { 
scroll: false }
, sel_mouse = { 
origin: "*mouse"}
, sel_move = { 
origin: "+move"}
; 
function Delayed(){ 
this.id = null ; 
} 
Delayed.prototype.set = function (ms, f){ 
clearTimeout(this.id); 
this.id = _AN_Call_settimeout("setTimeout", window, f, ms); 
} 
; 
var countColumn = CodeMirror.countColumn = function (string, end, tabSize, startIndex, startValue){ 
if (end == null ) { 
end = string.search(/[^\s\u00a0]/); 
if (end == -1) end = _AN_Read_length("length", string); 
} 
for (var i = startIndex || 0, n = startValue || 0; 
; ){ 
var nextTab = string.indexOf("\t", i); 
if (nextTab < 0 || nextTab >= end) return n + (end - i); 
n += nextTab - i; 
n += tabSize - (n % tabSize); 
i = nextTab + 1; 
} 
} 
; 
function findColumn(string, goal, tabSize){ 
for (var pos = 0, col = 0; 
; ){ 
var nextTab = string.indexOf("\t", pos); 
if (nextTab == -1) nextTab = _AN_Read_length("length", string); 
var skipped = nextTab - pos; 
if (nextTab == _AN_Read_length("length", string) || col + skipped >= goal) return pos + Math.min(skipped, goal - col); 
col += nextTab - pos; 
col += tabSize - (col % tabSize); 
pos = nextTab + 1; 
if (col >= goal) return pos; 
} 
} 
var spaceStrs = [""] ; 
function spaceStr(n){ 
while (_AN_Read_length("length", spaceStrs) <= n)spaceStrs.push(lst(spaceStrs) + " "); 
return spaceStrs[n]; 
} 
function lst(arr){ 
return arr[_AN_Read_length("length", arr) - 1]; 
} 
var selectInput = function (node){ 
node.select(); 
} 
; 
if (ios) selectInput = function (node){ 
node.selectionStart = 0; 
node.selectionEnd = _AN_Read_length("length", node.value); 
} 
; 
 else if (ie) selectInput = function (node){ 
try { 
node.select(); 
} 
catch (_e) { 
} 
} 
; 
function indexOf(array, elt){ 
for (var i = 0; 
i < _AN_Read_length("length", array); ++i)if (array[i] == elt) return i; 
return -1; 
} 
function map(array, f){ 
var out = [] ; 
for (var i = 0; 
i < _AN_Read_length("length", array); i++ )out[i] = f(array[i], i); 
return out; 
} 
function nothing(){ 
} 
function createObj(base, props){ 
var inst; 
if (Object.create) { 
inst = Object.create(base); 
} 
 else { 
nothing.prototype = base; 
inst = new nothing(); 
} 
if (props) copyObj(props, inst); 
return inst; 
} 
; 
function copyObj(obj, target, overwrite){ 
if (!target) target = { 
}
; 
for (var prop in obj)if (obj.hasOwnProperty(prop) && (overwrite !== false  || !target.hasOwnProperty(prop))) target[prop] = obj[prop]; 
return target; 
} 
function bind(f){ 
var args = Array.prototype.slice.call(arguments, 1); 
return function (){ 
return f.apply(null , args); 
} 
; 
} 
var nonASCIISingleCaseWordChar = /[\u00df\u0590-\u05f4\u0600-\u06ff\u3040-\u309f\u30a0-\u30ff\u3400-\u4db5\u4e00-\u9fcc\uac00-\ud7af]/; 
var isWordCharBasic = CodeMirror.isWordChar = function (ch){ 
return /\w/.test(ch) || ch > "\x80" && (ch.toUpperCase() != ch.toLowerCase() || nonASCIISingleCaseWordChar.test(ch)); 
} 
; 
function isWordChar(ch, helper){ 
if (!helper) return isWordCharBasic(ch); 
if (helper.source.indexOf("\\w") > -1 && isWordCharBasic(ch)) return true ; 
return helper.test(ch); 
} 
function isEmpty(obj){ 
for (var n in obj)if (obj.hasOwnProperty(n) && obj[n]) return false ; 
return true ; 
} 
var extendingChars = /[\u0300-\u036f\u0483-\u0489\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u065e\u0670\u06d6-\u06dc\u06de-\u06e4\u06e7\u06e8\u06ea-\u06ed\u0711\u0730-\u074a\u07a6-\u07b0\u07eb-\u07f3\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0900-\u0902\u093c\u0941-\u0948\u094d\u0951-\u0955\u0962\u0963\u0981\u09bc\u09be\u09c1-\u09c4\u09cd\u09d7\u09e2\u09e3\u0a01\u0a02\u0a3c\u0a41\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a70\u0a71\u0a75\u0a81\u0a82\u0abc\u0ac1-\u0ac5\u0ac7\u0ac8\u0acd\u0ae2\u0ae3\u0b01\u0b3c\u0b3e\u0b3f\u0b41-\u0b44\u0b4d\u0b56\u0b57\u0b62\u0b63\u0b82\u0bbe\u0bc0\u0bcd\u0bd7\u0c3e-\u0c40\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0cbc\u0cbf\u0cc2\u0cc6\u0ccc\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0d3e\u0d41-\u0d44\u0d4d\u0d57\u0d62\u0d63\u0dca\u0dcf\u0dd2-\u0dd4\u0dd6\u0ddf\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0eb1\u0eb4-\u0eb9\u0ebb\u0ebc\u0ec8-\u0ecd\u0f18\u0f19\u0f35\u0f37\u0f39\u0f71-\u0f7e\u0f80-\u0f84\u0f86\u0f87\u0f90-\u0f97\u0f99-\u0fbc\u0fc6\u102d-\u1030\u1032-\u1037\u1039\u103a\u103d\u103e\u1058\u1059\u105e-\u1060\u1071-\u1074\u1082\u1085\u1086\u108d\u109d\u135f\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17b7-\u17bd\u17c6\u17c9-\u17d3\u17dd\u180b-\u180d\u18a9\u1920-\u1922\u1927\u1928\u1932\u1939-\u193b\u1a17\u1a18\u1a56\u1a58-\u1a5e\u1a60\u1a62\u1a65-\u1a6c\u1a73-\u1a7c\u1a7f\u1b00-\u1b03\u1b34\u1b36-\u1b3a\u1b3c\u1b42\u1b6b-\u1b73\u1b80\u1b81\u1ba2-\u1ba5\u1ba8\u1ba9\u1c2c-\u1c33\u1c36\u1c37\u1cd0-\u1cd2\u1cd4-\u1ce0\u1ce2-\u1ce8\u1ced\u1dc0-\u1de6\u1dfd-\u1dff\u200c\u200d\u20d0-\u20f0\u2cef-\u2cf1\u2de0-\u2dff\u302a-\u302f\u3099\u309a\ua66f-\ua672\ua67c\ua67d\ua6f0\ua6f1\ua802\ua806\ua80b\ua825\ua826\ua8c4\ua8e0-\ua8f1\ua926-\ua92d\ua947-\ua951\ua980-\ua982\ua9b3\ua9b6-\ua9b9\ua9bc\uaa29-\uaa2e\uaa31\uaa32\uaa35\uaa36\uaa43\uaa4c\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uabe5\uabe8\uabed\udc00-\udfff\ufb1e\ufe00-\ufe0f\ufe20-\ufe26\uff9e\uff9f]/; 
function isExtendingChar(ch){ 
return ch.charCodeAt(0) >= 768 && extendingChars.test(ch); 
} 
function elt(tag, content, className, style){ 
var e = _AN_Call_createelement("createElement", document, tag); 
if (className) e.className = className; 
if (style) _AN_Write_csstext("cssText", e.style, false , style); 
if (typeof content == "string") _AN_Call_appendchild("appendChild", e, document.createTextNode(content)); 
 else if (content) for (var i = 0; 
i < _AN_Read_length("length", content); ++i)_AN_Call_appendchild("appendChild", e, content[i]); 
return e; 
} 
var range; 
if (document.createRange) range = function (node, start, end, endNode){ 
var r = document.createRange(); 
r.setEnd(endNode || node, end); 
r.setStart(node, start); 
return r; 
} 
; 
 else range = function (node, start, end){ 
var r = document.body.createTextRange(); 
try { 
r.moveToElementText(node.parentNode); 
} 
catch (e) { 
return r; 
} 
r.collapse(true ); 
r.moveEnd("character", end); 
r.moveStart("character", start); 
return r; 
} 
; 
function removeChildren(e){ 
for (var count = _AN_Read_length("length", e.childNodes); 
count > 0; --count)e.removeChild(e.firstChild); 
return e; 
} 
function removeChildrenAndAdd(parent, e){ 
return _AN_Call_appendchild("appendChild", removeChildren(parent), e); 
} 
var contains = CodeMirror.contains = function (parent, child){ 
if (child.nodeType == 3) child = child.parentNode; 
if (parent.contains) return parent.contains(child); 
do { 
if (child.nodeType == 11) child = _AN_Read_host("host", child); 
if (child == parent) return true ; 
} 
while(child = child.parentNode)} 
; 
function activeElt(){ 
return document.activeElement; 
} 
if (ie && ie_version < 11) activeElt = function (){ 
try { 
return document.activeElement; 
} 
catch (e) { 
return document.body; 
} 
} 
; 
function classTest(cls){ 
return new RegExp("(^|\\s)" + cls + "(?:$|\\s)\\s*"); 
} 
var rmClass = CodeMirror.rmClass = function (node, cls){ 
var current = node.className; 
var match = classTest(cls).exec(current); 
if (match) { 
var after = current.slice(match.index + _AN_Read_length("length", match[0])); 
node.className = current.slice(0, match.index) + (after? match[1] + after: ""); 
} 
} 
; 
var addClass = CodeMirror.addClass = function (node, cls){ 
var current = node.className; 
if (!classTest(cls).test(current)) node.className += (current? " ": "") + cls; 
} 
; 
function joinClasses(a, b){ 
var as = a.split(" "); 
for (var i = 0; 
i < _AN_Read_length("length", as); i++ )if (as[i] && !classTest(as[i]).test(b)) b += " " + as[i]; 
return b; 
} 
function forEachCodeMirror(f){ 
if (!document.body.getElementsByClassName) return ; 
var byClass = document.body.getElementsByClassName("CodeMirror"); 
for (var i = 0; 
i < _AN_Read_length("length", byClass); i++ ){ 
var cm = byClass[i].CodeMirror; 
if (cm) f(cm); 
} 
} 
var globalsRegistered = false ; 
function ensureGlobalHandlers(){ 
if (globalsRegistered) return ; 
registerGlobalHandlers(); 
globalsRegistered = true ; 
} 
function registerGlobalHandlers(){ 
var resizeTimer; 
on(window, "resize", function (){ 
if (resizeTimer == null ) resizeTimer = _AN_Call_settimeout("setTimeout", window, function (){ 
resizeTimer = null ; 
forEachCodeMirror(onResize); 
} 
, 100); 
} 
); 
on(window, "blur", function (){ 
forEachCodeMirror(onBlur); 
} 
); 
} 
var dragAndDrop = function (){ 
if (ie && ie_version < 9) return false ; 
var div = elt('div'); 
return "draggable" in div || "dragDrop" in div; 
} 
(); 
var zwspSupported; 
function zeroWidthElement(measure){ 
if (zwspSupported == null ) { 
var test = elt("span", "\u200b"); 
removeChildrenAndAdd(measure, elt("span", [test, document.createTextNode("x")] )); 
if (measure.firstChild.offsetHeight != 0) zwspSupported = test.offsetWidth <= 1 && test.offsetHeight > 2 && !(ie && ie_version < 8); 
} 
var node = zwspSupported? elt("span", "\u200b"): elt("span", "\u00a0", null , "display: inline-block; width: 1px; margin-right: -1px"); 
_AN_Call_setattribute("setAttribute", node, "cm-text", ""); 
return node; 
} 
var badBidiRects; 
function hasBadBidiRects(measure){ 
if (badBidiRects != null ) return badBidiRects; 
var txt = removeChildrenAndAdd(measure, document.createTextNode("A\u062eA")); 
var r0 = range(txt, 0, 1).getBoundingClientRect(); 
if (!r0 || r0.left == r0.right) return false ; 
var r1 = range(txt, 1, 2).getBoundingClientRect(); 
return badBidiRects = (r1.right - r0.right < 3); 
} 
var splitLines = CodeMirror.splitLines = _AN_Read_length("length", "\n\nb".split(/\n/)) != 3? function (string){ 
var pos = 0, result = [] , l = _AN_Read_length("length", string); 
while (pos <= l){ 
var nl = string.indexOf("\n", pos); 
if (nl == -1) nl = _AN_Read_length("length", string); 
var line = string.slice(pos, string.charAt(nl - 1) == "\r"? nl - 1: nl); 
var rt = line.indexOf("\r"); 
if (rt != -1) { 
result.push(line.slice(0, rt)); 
pos += rt + 1; 
} 
 else { 
result.push(line); 
pos = nl + 1; 
} 
} 
return result; 
} 
: function (string){ 
return string.split(/\r\n?|\n/); 
} 
; 
var hasSelection = window.getSelection? function (te){ 
try { 
return te.selectionStart != te.selectionEnd; 
} 
catch (e) { 
return false ; 
} 
} 
: function (te){ 
try { 
var range = te.ownerDocument.selection.createRange(); 
} 
catch (e) { 
} 
if (!range || range.parentElement() != te) return false ; 
return range.compareEndPoints("StartToEnd", range) != 0; 
} 
; 
var hasCopyEvent = (function (){ 
var e = elt("div"); 
if ("oncopy" in e) return true ; 
_AN_Call_setattribute("setAttribute", e, "oncopy", "return;"); 
return typeof e.oncopy == "function"; 
} 
)(); 
var badZoomedRects = null ; 
function hasBadZoomedRects(measure){ 
if (badZoomedRects != null ) return badZoomedRects; 
var node = removeChildrenAndAdd(measure, elt("span", "x")); 
var normal = node.getBoundingClientRect(); 
var fromRange = range(node, 0, 1).getBoundingClientRect(); 
return badZoomedRects = Math.abs(normal.left - fromRange.left) > 1; 
} 
var keyNames = { 
3: "Enter",
8: "Backspace",
9: "Tab",
13: "Enter",
16: "Shift",
17: "Ctrl",
18: "Alt",
19: "Pause",
20: "CapsLock",
27: "Esc",
32: "Space",
33: "PageUp",
34: "PageDown",
35: "End",
36: "Home",
37: "Left",
38: "Up",
39: "Right",
40: "Down",
44: "PrintScrn",
45: "Insert",
46: "Delete",
59: ";",
61: "=",
91: "Mod",
92: "Mod",
93: "Mod",
107: "=",
109: "-",
127: "Delete",
173: "-",
186: ";",
187: "=",
188: ",",
189: "-",
190: ".",
191: "/",
192: "`",
219: "[",
220: "\\",
221: "]",
222: "'",
63232: "Up",
63233: "Down",
63234: "Left",
63235: "Right",
63272: "Delete",
63273: "Home",
63275: "End",
63276: "PageUp",
63277: "PageDown",
63302: "Insert"}
; 
CodeMirror.keyNames = keyNames; 
(function (){ 
for (var i = 0; 
i < 10; i++ )keyNames[i + 48] = keyNames[i + 96] = String(i); 
for (var i = 65; 
i <= 90; i++ )keyNames[i] = String.fromCharCode(i); 
for (var i = 1; 
i <= 12; i++ )keyNames[i + 111] = keyNames[i + 63235] = "F" + i; 
} 
)(); 
function iterateBidiSections(order, from, to, f){ 
if (!order) return f(from, to, "ltr"); 
var found = false ; 
for (var i = 0; 
i < _AN_Read_length("length", order); ++i){ 
var part = order[i]; 
if (part.from < to && part.to > from || from == to && part.to == from) { 
f(Math.max(part.from, from), Math.min(part.to, to), part.level == 1? "rtl": "ltr"); 
found = true ; 
} 
} 
if (!found) f(from, to, "ltr"); 
} 
function bidiLeft(part){ 
return part.level % 2? part.to: part.from; 
} 
function bidiRight(part){ 
return part.level % 2? part.from: part.to; 
} 
function lineLeft(line){ 
var order = getOrder(line); 
return order? bidiLeft(order[0]): 0; 
} 
function lineRight(line){ 
var order = getOrder(line); 
if (!order) return _AN_Read_length("length", line.text); 
return bidiRight(lst(order)); 
} 
function lineStart(cm, lineN){ 
var line = getLine(cm.doc, lineN); 
var visual = visualLine(line); 
if (visual != line) lineN = lineNo(visual); 
var order = getOrder(visual); 
var ch = !order? 0: order[0].level % 2? lineRight(visual): lineLeft(visual); 
return Pos(lineN, ch); 
} 
function lineEnd(cm, lineN){ 
var merged, line = getLine(cm.doc, lineN); 
while (merged = collapsedSpanAtEnd(line)){ 
line = merged.find(1, true ).line; 
lineN = null ; 
} 
var order = getOrder(line); 
var ch = !order? _AN_Read_length("length", line.text): order[0].level % 2? lineLeft(line): lineRight(line); 
return Pos(lineN == null ? lineNo(line): lineN, ch); 
} 
function lineStartSmart(cm, pos){ 
var start = lineStart(cm, pos.line); 
var line = getLine(cm.doc, start.line); 
var order = getOrder(line); 
if (!order || order[0].level == 0) { 
var firstNonWS = Math.max(0, line.text.search(/\S/)); 
var inWS = pos.line == start.line && pos.ch <= firstNonWS && pos.ch; 
return Pos(start.line, inWS? 0: firstNonWS); 
} 
return start; 
} 
function compareBidiLevel(order, a, b){ 
var linedir = order[0].level; 
if (a == linedir) return true ; 
if (b == linedir) return false ; 
return a < b; 
} 
var bidiOther; 
function getBidiPartAt(order, pos){ 
bidiOther = null ; 
for (var i = 0, found; 
i < _AN_Read_length("length", order); ++i){ 
var cur = order[i]; 
if (cur.from < pos && cur.to > pos) return i; 
if ((cur.from == pos || cur.to == pos)) { 
if (found == null ) { 
found = i; 
} 
 else if (compareBidiLevel(order, cur.level, order[found].level)) { 
if (cur.from != cur.to) bidiOther = found; 
return i; 
} 
 else { 
if (cur.from != cur.to) bidiOther = i; 
return found; 
} 
} 
} 
return found; 
} 
function moveInLine(line, pos, dir, byUnit){ 
if (!byUnit) return pos + dir; 
do pos += dir; 
while(pos > 0 && isExtendingChar(line.text.charAt(pos)))return pos; 
} 
function moveVisually(line, start, dir, byUnit){ 
var bidi = getOrder(line); 
if (!bidi) return moveLogically(line, start, dir, byUnit); 
var pos = getBidiPartAt(bidi, start), part = bidi[pos]; 
var target = moveInLine(line, start, part.level % 2? - dir: dir, byUnit); 
for (; ; ){ 
if (target > part.from && target < part.to) return target; 
if (target == part.from || target == part.to) { 
if (getBidiPartAt(bidi, target) == pos) return target; 
part = bidi[pos += dir]; 
return (dir > 0) == part.level % 2? part.to: part.from; 
} 
 else { 
part = bidi[pos += dir]; 
if (!part) return null ; 
if ((dir > 0) == part.level % 2) target = moveInLine(line, part.to, -1, byUnit); 
 else target = moveInLine(line, part.from, 1, byUnit); 
} 
} 
} 
function moveLogically(line, start, dir, byUnit){ 
var target = start + dir; 
if (byUnit) while (target > 0 && isExtendingChar(line.text.charAt(target)))target += dir; 
return target < 0 || target > _AN_Read_length("length", line.text)? null : target; 
} 
var bidiOrdering = (function (){ 
var lowTypes = "bbbbbbbbbtstwsbbbbbbbbbbbbbbssstwNN%%%NNNNNN,N,N1111111111NNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNbbbbbbsbbbbbbbbbbbbbbbbbbbbbbbbbb,N%%%%NNNNLNNNNN%%11NLNNN1LNNNNNLLLLLLLLLLLLLLLLLLLLLLLNLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLN"; 
var arabicTypes = "rrrrrrrrrrrr,rNNmmmmmmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmrrrrrrrnnnnnnnnnn%nnrrrmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmmmmmmNmmmm"; 
function charType(code){ 
if (code <= 247) return lowTypes.charAt(code); 
 else if (1424 <= code && code <= 1524) return "R"; 
 else if (1536 <= code && code <= 1773) return arabicTypes.charAt(code - 1536); 
 else if (1774 <= code && code <= 2220) return "r"; 
 else if (8192 <= code && code <= 8203) return "w"; 
 else if (code == 8204) return "b"; 
 else return "L"; 
} 
var bidiRE = /[\u0590-\u05f4\u0600-\u06ff\u0700-\u08ac]/; 
var isNeutral = /[stwN]/, isStrong = /[LRr]/, countsAsLeft = /[Lb1n]/, countsAsNum = /[1n]/; 
var outerType = "L"; 
function BidiSpan(level, from, to){ 
this.level = level; 
this.from = from; 
this.to = to; 
} 
return function (str){ 
if (!bidiRE.test(str)) return false ; 
var len = _AN_Read_length("length", str), types = [] ; 
for (var i = 0, type; 
i < len; ++i)types.push(type = charType(str.charCodeAt(i))); 
for (var i = 0, prev = outerType; 
i < len; ++i){ 
var type = types[i]; 
if (type == "m") types[i] = prev; 
 else prev = type; 
} 
for (var i = 0, cur = outerType; 
i < len; ++i){ 
var type = types[i]; 
if (type == "1" && cur == "r") types[i] = "n"; 
 else if (isStrong.test(type)) { 
cur = type; 
if (type == "r") types[i] = "R"; 
} 
} 
for (var i = 1, prev = types[0]; 
i < len - 1; ++i){ 
var type = types[i]; 
if (type == "+" && prev == "1" && types[i + 1] == "1") types[i] = "1"; 
 else if (type == "," && prev == types[i + 1] && (prev == "1" || prev == "n")) types[i] = prev; 
prev = type; 
} 
for (var i = 0; 
i < len; ++i){ 
var type = types[i]; 
if (type == ",") types[i] = "N"; 
 else if (type == "%") { 
for (var end = i + 1; 
end < len && types[end] == "%"; ++end){ 
} 
var replace = (i && types[i - 1] == "!") || (end < len && types[end] == "1")? "1": "N"; 
for (var j = i; 
j < end; ++j)types[j] = replace; 
i = end - 1; 
} 
} 
for (var i = 0, cur = outerType; 
i < len; ++i){ 
var type = types[i]; 
if (cur == "L" && type == "1") types[i] = "L"; 
 else if (isStrong.test(type)) cur = type; 
} 
for (var i = 0; 
i < len; ++i){ 
if (isNeutral.test(types[i])) { 
for (var end = i + 1; 
end < len && isNeutral.test(types[end]); ++end){ 
} 
var before = (i? types[i - 1]: outerType) == "L"; 
var after = (end < len? types[end]: outerType) == "L"; 
var replace = before || after? "L": "R"; 
for (var j = i; 
j < end; ++j)types[j] = replace; 
i = end - 1; 
} 
} 
var order = [] , m; 
for (var i = 0; 
i < len; ){ 
if (countsAsLeft.test(types[i])) { 
var start = i; 
for (++i; i < len && countsAsLeft.test(types[i]); ++i){ 
} 
order.push(new BidiSpan(0, start, i)); 
} 
 else { 
var pos = i, at = _AN_Read_length("length", order); 
for (++i; i < len && types[i] != "L"; ++i){ 
} 
for (var j = pos; 
j < i; ){ 
if (countsAsNum.test(types[j])) { 
if (pos < j) order.splice(at, 0, new BidiSpan(1, pos, j)); 
var nstart = j; 
for (++j; j < i && countsAsNum.test(types[j]); ++j){ 
} 
order.splice(at, 0, new BidiSpan(2, nstart, j)); 
pos = j; 
} 
 else ++j; 
} 
if (pos < i) order.splice(at, 0, new BidiSpan(1, pos, i)); 
} 
} 
if (order[0].level == 1 && (m = str.match(/^\s+/))) { 
order[0].from = _AN_Read_length("length", m[0]); 
order.unshift(new BidiSpan(0, 0, (_AN_Read_length("length", m[0])))); 
} 
if (lst(order).level == 1 && (m = str.match(/\s+$/))) { 
lst(order).to -= _AN_Read_length("length", m[0]); 
order.push(new BidiSpan(0, len - (_AN_Read_length("length", m[0])), len)); 
} 
if (order[0].level != lst(order).level) order.push(new BidiSpan(order[0].level, len, len)); 
return order; 
} 
; 
} 
)(); 
CodeMirror.version = "5.1.1"; 
return CodeMirror; 
} 
);