[css-ruby] Clean up white space collapsing section to mesh with recent changes to box-fixup. Pass I

Author: fantasai

css-ruby/Overview.html

@@ -54,7 +54,7 @@
 </p>
   <h1 class="p-name no-ref" id=title>CSS Ruby Layout Module Level 1</h1>
   <h2 class="no-num no-toc no-ref heading settled heading" id=subtitle><span class=content>Editor’s Draft,
-    <span class=dt-updated><span class=value-title title=20140707>7 July 2014</span></span></span></h2>
+    <span class=dt-updated><span class=value-title title=20140711>11 July 2014</span></span></span></h2>
   <div data-fill-with=spec-metadata><dl>
 	<dt>This version:
 	<dd><a class=u-url href=http://dev.w3.org/csswg/css-ruby-1/>http://dev.w3.org/csswg/css-ruby-1/</a>
@@ -713,33 +713,52 @@ <h3 class="heading settled heading" data-level=2.4 id=autohide><span class=secno
 <h3 class="heading settled heading" data-level=2.5 id=white-space><span class=secno>2.5 </span><span class=content>
 White Space Collapsing</span><a class=self-link href=#white-space></a></h3>
 
-	<p><i data-link-type=dfn title="collapsible white space">Collapsible white space</i> within a ruby structure is discarded
+	<p>White space within a ruby structure is <a href=#anon-gen-discard-space>discarded</a>
 	<ul>
 		<li>at the beginning and end of a <a data-link-type=dfn href=#ruby-container title="ruby container">ruby container</a>, <a data-link-type=dfn href=#ruby-annotation-container-box title="ruby annotation container">ruby annotation container</a>, or <a data-link-type=dfn href=#ruby-base-container-box title="ruby base container">ruby base container</a>,
-		<li>at the beginning/end of a <a data-link-type=dfn href=#ruby-annotation-box title="ruby annotation box">ruby annotation box</a> or <a data-link-type=dfn href=#ruby-base-box title="ruby base box">ruby base box</a> if white space is not its only contents,
 		<li>between a <a data-link-type=dfn href=#ruby-base-container-box title="ruby base container">ruby base container</a> and its following <a data-link-type=dfn href=#ruby-annotation-container-box title="ruby annotation container">ruby annotation container</a>,
 		<li>between <a data-link-type=dfn href=#ruby-annotation-container-box title="ruby annotation containers">ruby annotation containers</a>.
 	</ul>
 
 	<p>Between <a data-link-type=dfn href=#ruby-segments title="ruby segments">ruby segments</a>, between <a data-link-type=dfn href=#ruby-base-box title="ruby bases">ruby bases</a>, and between <a data-link-type=dfn href=#ruby-annotation-box title="ruby annotations">ruby annotations</a>, however,
-	white space is not discarded.
+	white space is not discarded,
+	and is maintained for rendering
+	as <a data-link-type=dfn href=#inter-base-white-space title="inter-base white space">inter-base</a>,
+	<a data-link-type=dfn href=#inter-annotation-white-space title="inter-annotation white space">inter-annotation</a>,
+	or <a data-link-type=dfn href=#inter-segment-white-space title="inter-segment white space">inter-segment white space</a>.
+	(See <a href=#box-fixup>Anonymous Ruby Box Generation</a>, above.)
+
+	<div class=example>
+		<p>These rules allow ruby to be used with space-separated scripts such as Latin.
+		For example,
+		<pre>&lt;ruby&gt;
+  &lt;rb&gt;W&lt;/rb&gt;&lt;rb&gt;W&lt;/rb&gt;&lt;rb&gt;W&lt;/rb&gt;
+  &lt;rt&gt;World&lt;/rt&gt; &lt;rt&gt;Wide&lt;/rt&gt; &lt;rt&gt;Web&lt;/rt&gt;
+&lt;/ruby&gt;</pre>
+		<p>They also ensure that annotated white space is preserved. For example,
+		<pre>&lt;ruby&gt;
+  &lt;rb&gt;Aerith&lt;/rb&gt;&lt;rb&gt; &lt;/rb&gt;&lt;rb&gt;Gainsboro&lt;/rb&gt;
+  &lt;rt&gt;エアリス&lt;/rt&gt;&lt;rt&gt;・&lt;/rt&gt;&lt;rt&gt;ゲインズブール&lt;/rt&gt;
+&lt;/ruby&gt;</pre>
+	</div>
 
 	<p>Where undiscarded white space is <i data-link-type=dfn title=collapsible>collapsible</i>, it will collapse
 	following the standard <a href=http://www.w3.org/TR/css3-text/#white-space-rules>white space processing rules</a>. <a data-biblio-type=normative data-link-type=biblio href=#biblio-css3text title=biblio-css3text>[CSS3TEXT]</a>
-	For <i data-link-type=dfn title=collapsible>collapsible</i> white space between <a data-link-type=dfn href=#ruby-segments title="ruby segments">ruby segments</a>, however,
+	For <i data-link-type=dfn title="collapsible white space">collapsible white space</i> between <a data-link-type=dfn href=#ruby-segments title="ruby segments">ruby segments</a> (<a data-link-type=dfn href=#inter-segment-white-space title="inter-segment white space">inter-segment white space</a>), however,
 	the contextual text for determining collapsing behavior is given by the <a data-link-type=dfn href=#ruby-base-box title="ruby bases">ruby bases</a> on either side,
-	not the text on either side of the white space in the source document.
+	not the text on either side of the white space in source document order.
 
 	<div class=note>
 		<p>Note that the white space processing rules
 		cause a white space sequence containing a <i data-link-type=dfn title="segment break">segment break</i> (such as a line feed)
-		to <a href=http://www.w3.org/TR/css3-text/#line-break-transform>collapse to nothing</a> between CJK characters.
-		This means that CJK ruby can safely use white space for indentation of the ruby markup.
+		to <a href=http://www.w3.org/TR/css3-text/#line-break-transform>collapse to nothing</a> between Han and Kana characters.
+		This means that Chinese and Japanese ruby can safely use white space for indentation of the ruby markup.
 		For example, the following markup will display without any spaces:
 		<pre>&lt;ruby&gt;
   &lt;rb&gt;東&lt;/rb&gt;&lt;rb&gt;京&lt;/rb&gt;
   &lt;rt&gt;とう&lt;/rt&gt;&lt;rt&gt;きょう&lt;/rt&gt;
 &lt;/ruby&gt;</pre>
+		<p class=issue id=issue-6f614186><a class=self-link href=#issue-6f614186></a>This example actually doesn’t trigger the rule in question. Come up with one that does.
 		<p>However, white space that does not contain a <i data-link-type=dfn title="segment break">segment break</i> does not collapse completely away,
 		so this markup will display with a space between the first and second ruby pairs:
 		<pre>&lt;ruby&gt;
@@ -748,30 +767,6 @@ <h3 class="heading settled heading" data-level=2.5 id=white-space><span class=se
 &lt;/ruby&gt;</pre>
 	</div>
 
-	<p>Any preserved white space is then wrapped in an anonymous box belonging to
-	the <a data-link-type=dfn href=#ruby-base-container-box title="ruby base container">ruby base container</a> (if between <a data-link-type=dfn href=#ruby-base-box title="ruby bases">ruby bases</a>),
-	<a data-link-type=dfn href=#ruby-annotation-container-box title="ruby annotation container">ruby annotation container</a> (if between <a data-link-type=dfn href=#ruby-annotation-box title="ruby annotations">ruby annotations</a>),
-	or <a data-link-type=dfn href=#ruby-container title="ruby container">ruby container</a> (if between <a data-link-type=dfn href=#ruby-segments title="ruby segments">ruby segments</a>).
-	In the latter case, the text is considered part of the <a data-link-type=dfn href=#base-level title="base level">base level</a>.
-	Such anonymous boxes do not take part in pairing.
-	They merely ensure separation between adjacent bases/annotations.
-
-	<p class=issue id=issue-1851041e><a class=self-link href=#issue-1851041e></a>Specify how these anonymous white space boxes impact layout.
-
-	<div class=example>
-		<p>These rules allow ruby to be used with space-separated scripts such as Latin.
-		For example,
-		<pre>&lt;ruby&gt;
-  &lt;rb&gt;W&lt;/rb&gt;&lt;rb&gt;W&lt;/rb&gt;&lt;rb&gt;W&lt;/rb&gt;
-  &lt;rt&gt;World&lt;/rt&gt; &lt;rt&gt;Wide&lt;/rt&gt; &lt;rt&gt;Web&lt;/rt&gt;
-&lt;/ruby&gt;</pre>
-		<p>They also ensure that annotated white space is preserved. For example,
-		<pre>&lt;ruby&gt;
-  &lt;rb&gt;Aerith&lt;/rb&gt;&lt;rb&gt; &lt;/rb&gt;&lt;rb&gt;Gainsboro&lt;/rb&gt;
-  &lt;rt&gt;エアリス&lt;/rt&gt;&lt;rt&gt;・&lt;/rt&gt;&lt;rt&gt;ゲインズブール&lt;/rt&gt;
-&lt;/ruby&gt;</pre>
-	</div>
-
 <h2 class="heading settled heading" data-level=3 id=ruby-layout><span class=secno>3 </span><span class=content>
 Ruby Layout</span><a class=self-link href=#ruby-layout></a></h2>
 
@@ -1729,9 +1724,8 @@ <h2 class="no-num heading settled" id=issues-index><span class=content>Issues In
 	or needs to be handled specially.
 	Waiting until layout is better-defined to find out...
 
-<a href=#issue-9b177ca3> ↵ </a></div><div class=issue>Specify how these anonymous white space boxes impact layout.
-
-	<a href=#issue-1851041e> ↵ </a></div><div class=issue>Or should it become a quasi-base between two bases?<a href=#issue-029133da> ↵ </a></div>
+<a href=#issue-9b177ca3> ↵ </a></div><div class=issue>This example actually doesn’t trigger the rule in question. Come up with one that does.
+		<a href=#issue-6f614186> ↵ </a></div><div class=issue>Or should it become a quasi-base between two bases?<a href=#issue-029133da> ↵ </a></div>
 	A spanning <div class=issue>
 	Insert scanned example so people don’t think this is just the ramblings of an insane spec-writer.
 

css-ruby/Overview.src.html

@@ -561,66 +561,61 @@ <h3 id="autohide">
 <h3 id="white-space">
 White Space Collapsing</h3>
 
-	<p><i>Collapsible white space</i> within a ruby structure is discarded
+	<p>White space within a ruby structure is <a href="#anon-gen-discard-space">discarded</a>
 	<ul>
 		<li>at the beginning and end of a <i>ruby container</i>, <i>ruby annotation container</i>, or <i>ruby base container</i>,
-		<li>at the beginning/end of a <i>ruby annotation box</i> or <i>ruby base box</i> if white space is not its only contents,
 		<li>between a <i>ruby base container</i> and its following <i>ruby annotation container</i>,
 		<li>between <i>ruby annotation containers</i>.
 	</ul>
 
 	<p>Between <i>ruby segments</i>, between <i>ruby bases</i>, and between <i>ruby annotations</i>, however,
-	white space is not discarded.
+	white space is not discarded,
+	and is maintained for rendering
+	as <i title="inter-base white space">inter-base</i>,
+	<i title="inter-annotation white space">inter-annotation</i>,
+	or <i>inter-segment white space</i>.
+	(See <a href="#box-fixup">Anonymous Ruby Box Generation</a>, above.)
+
+	<div class="example">
+		<p>These rules allow ruby to be used with space-separated scripts such as Latin.
+		For example,
+		<pre>
+<!--		-->&lt;ruby>
+<!--		-->  &lt;rb>W&lt;/rb>&lt;rb>W&lt;/rb>&lt;rb>W&lt;/rb>
+<!--		-->  &lt;rt>World&lt;/rt> &lt;rt>Wide&lt;/rt> &lt;rt>Web&lt;/rt>
+<!--		-->&lt;/ruby></pre>
+		<p>They also ensure that annotated white space is preserved. For example,
+		<pre>
+<!--		-->&lt;ruby>
+<!--		-->  &lt;rb>Aerith&lt;/rb>&lt;rb> &lt;/rb>&lt;rb>Gainsboro&lt;/rb>
+<!--		-->  &lt;rt>エアリス&lt;/rt>&lt;rt>・&lt;/rt>&lt;rt>ゲインズブール&lt;/rt>
+<!--		-->&lt;/ruby></pre>
+	</div>
 
 	<p>Where undiscarded white space is <i>collapsible</i>, it will collapse
 	following the standard <a href="http://www.w3.org/TR/css3-text/#white-space-rules">white space processing rules</a>. [[!CSS3TEXT]]
-	For <i>collapsible</i> white space between <i>ruby segments</i>, however,
+	For <i>collapsible white space</i> between <i>ruby segments</i> (<i>inter-segment white space</i>), however,
 	the contextual text for determining collapsing behavior is given by the <i>ruby bases</i> on either side,
-	not the text on either side of the white space in the source document.
+	not the text on either side of the white space in source document order.
 
 	<div class="note">
 		<p>Note that the white space processing rules
 		cause a white space sequence containing a <i>segment break</i> (such as a line feed)
-		to <a href="http://www.w3.org/TR/css3-text/#line-break-transform">collapse to nothing</a> between CJK characters.
-		This means that CJK ruby can safely use white space for indentation of the ruby markup.
+		to <a href="http://www.w3.org/TR/css3-text/#line-break-transform">collapse to nothing</a> between Han and Kana characters.
+		This means that Chinese and Japanese ruby can safely use white space for indentation of the ruby markup.
 		For example, the following markup will display without any spaces:
 		<pre>
 <!--		-->&lt;ruby>
 <!--		-->  &lt;rb>東&lt;/rb>&lt;rb>京&lt;/rb>
 <!--		-->  &lt;rt>とう&lt;/rt>&lt;rt>きょう&lt;/rt>
 <!--		-->&lt;/ruby></pre>
+		<p class="issue">This example actually doesn't trigger the rule in question. Come up with one that does.
 		<p>However, white space that does not contain a <i>segment break</i> does not collapse completely away,
 		so this markup will display with a space between the first and second ruby pairs:
 		<pre>
 <!--		-->&lt;ruby>
 <!--		-->  &lt;rb>東&lt;/rb>	&lt;rb>京&lt;/rb>
 <!--		-->  &lt;rt>とう&lt;/rt>	&lt;rt>きょう&lt;/rt>
-<!--		-->&lt;/ruby></pre>
-	</div>
-
-	<p>Any preserved white space is then wrapped in an anonymous box belonging to
-	the <i>ruby base container</i> (if between <i>ruby bases</i>),
-	<i>ruby annotation container</i> (if between <i>ruby annotations</i>),
-	or <i>ruby container</i> (if between <i>ruby segments</i>).
-	In the latter case, the text is considered part of the <i>base level</i>.
-	Such anonymous boxes do not take part in pairing.
-	They merely ensure separation between adjacent bases/annotations.
-
-	<p class="issue">Specify how these anonymous white space boxes impact layout.
-
-	<div class="example">
-		<p>These rules allow ruby to be used with space-separated scripts such as Latin.
-		For example,
-		<pre>
-<!--		-->&lt;ruby>
-<!--		-->  &lt;rb>W&lt;/rb>&lt;rb>W&lt;/rb>&lt;rb>W&lt;/rb>
-<!--		-->  &lt;rt>World&lt;/rt> &lt;rt>Wide&lt;/rt> &lt;rt>Web&lt;/rt>
-<!--		-->&lt;/ruby></pre>
-		<p>They also ensure that annotated white space is preserved. For example,
-		<pre>
-<!--		-->&lt;ruby>
-<!--		-->  &lt;rb>Aerith&lt;/rb>&lt;rb> &lt;/rb>&lt;rb>Gainsboro&lt;/rb>
-<!--		-->  &lt;rt>エアリス&lt;/rt>&lt;rt>・&lt;/rt>&lt;rt>ゲインズブール&lt;/rt>
 <!--		-->&lt;/ruby></pre>
 	</div>