[css2] Issues 137 and 138 from http://wiki.csswg.org/spec/css2.1

bert-github · bert-github · commit fd6cf7886f16 · 2010-09-29T15:52:02.000Z
--HG--
extra : convert_revision : svn%3A73dc7c4b-06e6-40f3-b4f7-9ed1dbc14bfc/trunk%403031
diff --git a/css2/visuren.src b/css2/visuren.src
@@ -1,6 +1,6 @@
 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN">
 <html lang="en">
-<!-- $Id: visuren.src,v 2.164 2010-08-25 23:13:03 bbos Exp $ -->
+<!-- $Id: visuren.src,v 2.165 2010-09-29 15:52:02 bbos Exp $ -->
 <head>
 <title>Visual formatting model</title>
 <meta name="editor" lang="tr" content="Tantek &Ccedil;elik">
@@ -176,15 +176,13 @@ for the DIV above) has a block-level box inside it (such as the P
 above), then we force it to have <em>only</em> block-level boxes
 inside it.
 
-<p>
-When an inline box contains an in-flow block box, the inline box (and
-its inline ancestors within the same line box) are broken around the
-block-level box. The line boxes before the break and after the break are
-enclosed in anonymous block boxes, and the block-level box becomes a sibling of
-those anonymous boxes.
-When such an inline box is affected by relative positioning,
-the relative positioning also affects the block-level box.
-</p>
+<p>When an inline box contains an in-flow block box, the inline box
+(and its inline ancestors within the same line box) are broken around
+the block-level box. The line boxes before the break and after the
+break are enclosed in anonymous block boxes, and the block-level box
+becomes a sibling of those anonymous boxes. When such an inline box is
+affected by relative positioning, the relative positioning also
+affects the block-level box contained in the inline box.
 
 <div class="example">
 <p>This model would apply in the following example if the following
@@ -240,6 +238,14 @@ CSS2-only user agents may implement this alternative model and still
 claim conformance to this part of CSS&nbsp;2.1. This does not apply to UAs 
 developed after this specification was released.
 </p>
+
+<p>Anonymous block boxes are ignored when resolving percentage values
+that would refer to it: the closest non-anonymous ancestor box is used
+instead. For example, if the child of the anonymous block box inside
+the DIV above needs to know the height of its containing block to
+resolve a percentage height, then it will use the height of the
+containing block formed by the DIV, not of the anonymous block box.
+
 <h3><a name="inline-boxes">Inline-level elements and inline boxes</a></h3>
 
 <p><span class="index-def" title="inline-level element">
