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[css2] Removed some inconsistencies.
--HG-- extra : convert_revision : svn%3A73dc7c4b-06e6-40f3-b4f7-9ed1dbc14bfc/trunk%401400
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‎css2/page.src‎

Lines changed: 29 additions & 43 deletions
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@@ -1,6 +1,6 @@
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<html lang="en">
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<!-- $Id: page.src,v 2.17 1998-03-23 02:44:28 bbos Exp $ -->
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<!-- $Id: page.src,v 2.18 1998-03-24 13:08:26 bbos Exp $ -->
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<HEAD>
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<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
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<TITLE>Paged media</TITLE>
@@ -72,8 +72,7 @@ href="visuren.html#containing-block">containing block</a> for layout
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that occurs between page breaks. It also acts as the <a
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href="visuren.html#initial-containing-block">initial containing
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block</a>.
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<li>The margin area (see the <a href="box.html#box-margin-area">
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margin area</a> of the box model).
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<li>The margin area.
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</ul>
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<div class="note"><P>
@@ -94,7 +93,7 @@ context</dfn></a></span>).</p>
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<P>The <span class="index-def" title="page selector"><dfn>page
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selector</dfn></span> specifies for which pages the declarations
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apply. In CSS2, page selectors may designate the first page,
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all left pages, all right pages, or a page assigned a specific name.
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all left pages, all right pages, or a page with a specific name.
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</p>
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<P>The dimensions of the page box are set with the <span
@@ -123,10 +122,12 @@ relationships between the sheet, page box, and page margins:</P>
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<P><img src="./images/page-info.gif" alt="Illustration of sheet, page box, and margin."></p>
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<P>The CSS2 rules for <a
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<P>The actual value of element margins that fall at the top or
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bottom of a page is set to 0.
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<!-- The CSS2 rules for <a
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href="box.html#collapsing-margins">collapsing vertical margins</a>
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apply to page margins as well. For example, the margin of the first
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box on a page will collapse with the page margin.
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box on a page will collapse with the page margin. -->
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<p>The <a href="#page-context">page context</a> has no notion of
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fonts, so 'em' and 'ex' units are not allowed. Percentage values on
@@ -242,23 +243,7 @@ class="propinst-marks">'marks'</span> property</h3>
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<p>In high-quality printing, marks are often added outside the
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page box. This property specifies whether cross
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marks or crop marks or both should be rendered just outside the <a
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href="#page-box">page box</a> edge. Values have the following
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meanings:</p>
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<!--
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<dl>
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<dt><strong>crop</strong>
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<dd><span class="index-def" title="crop marks"><dfn>Crop
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marks</dfn></span> indicate where the page should be cut.
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<dt><strong>cross</strong>
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<dd><span
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class="index-def" title="cross marks"><dfn>Cross marks</dfn></span>
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(also known as register marks or registration marks) are used to align
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sheets.
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<dt><strong>none</strong>
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<dd>Don't render any special marks.
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</dl>
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-->
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href="#page-box">page box</a> edge.
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<p><span class="index-def" title="crop marks"><dfn>Crop
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marks</dfn></span> indicate where the page should be cut. <span
@@ -322,7 +307,7 @@ title=":first|pseudo-class:::first">:first</span> pseudo-class:
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<P>Whether the first page of a document is :left or :right depends on
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the major writing direction of the document and is outside the scope
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of this document. However, to force a :left or :right first page,
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of this document. <!-- is this true? BB --> However, to force a :left or :right first page,
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authors may insert a page break before the first generated box (e.g.,
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in HTML, specify this for the BODY element).
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@@ -354,8 +339,7 @@ outside the page box. For example, an element whose <span
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class="propinst-white-space">'white-space'</span> property has the
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value 'pre' may generate a box that is wider than the page box. Also,
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when boxes are positioned <a
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href="visuren.html#absolute-positioning">absolutely</a> or <a
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href="visuren.html#floats">floated</a>, they may end up in
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href="visuren.html#absolute-positioning">absolutely</a>, they may end up in
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"inconvenient" locations. For example, images may be placed on the
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edge of the page box or 100,000 inches below the page box.
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@@ -402,8 +386,9 @@ href="conform.html#doctree">document tree</a> to be laid out in a new
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page box.
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<h3><a name="page-break-props">Break before/after elements</a>: <span
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class="propinst-page-break-before">'page-break-before'</span> and
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<span class="propinst-page-break-after">'page-break-after'</span>
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class="propinst-page-break-before">'page-break-before'</span>,
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<span class="propinst-page-break-after">'page-break-after'</span>,
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<span class="propinst-page-break-inside">'page-break-inside'</span>
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</h3>
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<!-- #include src=properties/page-break-before.srb -->
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<dt><strong>avoid</strong></dt>
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<dd>Avoid a page break before (after, inside) the generated box.
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<dt><strong>left</strong></dt>
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<dd>(For rendering to left and right sheets.)
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<dd>
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Force one or two page breaks before
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(after) the generated box
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so that the next page is formated as a left page.</dd>
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so that the next page is formatted as a left page.</dd>
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<dt><strong>right</strong></dt>
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<dd>(For rendering to left and right sheets.)
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<dd>
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Force one or two page breaks before (after) the generated
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box so that the next page is formatted as a right page.</dd>
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</dl>
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<P> A potential page break location is typically under the influence
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of the element's <span
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of the parent element's <span
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class="propinst-page-break-inside">'page-break-inside'</span>
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property, the <span
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class="propinst-page-break-after">'page-break-after'</span> property
@@ -473,7 +458,8 @@ follows: If a block box with inline content has a <span
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class="propinst-page">'page'</span> property that is different from
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the preceding block box with inline content, then one or two
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page breaks are inserted between them, and the boxes after the break
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are rendered onto a page box of the named type.
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are rendered onto a page box of the named type. See <a
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href="#forced">"Forced page breaks" below.</a>
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<div class="example">
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<p>In this example, the two tables are rendered on landscape pages
@@ -536,7 +522,7 @@ section on <a href="visuren.html#line-box">line boxes</a>.
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<ol>
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<li>
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In the vertical margin between block boxes. When a page
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break occurs here, the <a href="cascade.html#computed-value">computed
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break occurs here, the <a href="cascade.html#actual-value">actual
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values</a>
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of the relevant
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<span class="propinst-margin-top">'margin-top'</span>
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<p>These breaks are subject to the following rules:
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<ol style="list-style-type: upper-alpha">
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<li>Breaking at (1) is allowed only if the <span
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<ul>
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<li><strong>Rule A:</strong> Breaking at (1) is allowed only if the <span
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class="propinst-page-break-after">'page-break-after'</span> and <span
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class="propinst-page-break-before">'page-break-before'</span> properties of all
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the elements generating boxes that
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meet at this margin allow it, which is when at least
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one of them has the value 'always', 'left', or 'right', or when all of them are
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'auto'.
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<li>However, if the nearest common ancestor of all the elements
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meeting at this margin has a <span
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class="propinst-page-break-inside">'page-break-inside'</span> value
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of 'avoid', then breaking here is not allowed.
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<li><strong>Rule B:</strong> However, if all of them are 'auto' and
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the nearest common ancestor of all the elements has a <span
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class="propinst-page-break-inside">'page-break-inside'</span> value of
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'avoid', then breaking here is not allowed.
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<li>
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<p>Breaking at (2) is allowed only if the number of <a
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<strong>Rule C:</strong> Breaking at (2) is allowed only if the number of <a
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href="visuren.html#line-box">line boxes</a> between the
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break and the start of the enclosing block box is <span
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class="propinst-orphans">'orphans'</span> or more, and the number of
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line boxes between the break and the end of the box is <span
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class="propinst-widows">'widows'</span> or more.
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<li>In addition, breaking at (2) is allowed only if the <span
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<li><strong>Rule D:</strong> In addition, breaking at (2) is allowed only if the <span
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class="propinst-page-break-inside">'page-break-inside'</span> property
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is 'auto'.
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</ol>
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<!-- What about relative positioning? -IJ -->
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<h3>Forced page breaks</h3>
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<h3><a name="forced">Forced page breaks</a></h3>
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<p>A page break <em>must</em> occur at (1) if, among the <span
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class="propinst-page-break-after">'page-break-after'</span> and <span

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