W3C home > Mailing lists > Public > public-css-commits@w3.org > April 2011

csswg/css3-text Overview.html,1.103,1.104 Overview.src.html,1.201,1.202

From: Ishii Koji via cvs-syncmail <cvsmail@w3.org>
Date: Sat, 16 Apr 2011 06:16:01 +0000
To: public-css-commits@w3.org
Message-Id: <E1QAynZ-0004ls-Od@lionel-hutz.w3.org>
Update of /sources/public/csswg/css3-text
In directory hutz:/tmp/cvs-serv18315

Modified Files:
	Overview.html Overview.src.html 
Log Message:
Combine text-trim and text-autospace into text-spacing property:
* Changed title from "fullwidth kerning" to "character class spacing"
* Removed automatic white space collapsing using 'text-autospace'
* Put "||" after 'normal' so that authors can specify 'normal' and other values as well

Index: Overview.html
===================================================================
RCS file: /sources/public/csswg/css3-text/Overview.html,v
retrieving revision 1.103
retrieving revision 1.104
diff -u -d -r1.103 -r1.104
--- Overview.html	13 Apr 2011 08:45:47 -0000	1.103
+++ Overview.html	16 Apr 2011 06:15:59 -0000	1.104
@@ -83,14 +83,14 @@
 
    <h1>CSS Text Level 3</h1>
 
-   <h2 class="no-num no-toc" id=longstatus-date>Editor's Draft 13 April 2011</h2>
+   <h2 class="no-num no-toc" id=longstatus-date>Editor's Draft 16 April 2011</h2>
 
    <dl>
     <dt>This version:
 
     <dd><a href="http://dev.w3.org/csswg/css3-text/Overview.html">$Date:
-     2011/04/11 05:23:59 $ (CVS $Revision$)</a> <!--
-      <dd><a href="http://www.w3.org/TR/2011/WD-css3-text-20110413/">http://www.w3.org/TR/2011/WD-css3-text-20110413/</a></dd>
+     2011/04/13 08:45:47 $ (CVS $Revision$)</a> <!--
+      <dd><a href="http://www.w3.org/TR/2011/WD-css3-text-20110416/">http://www.w3.org/TR/2011/WD-css3-text-20110416/</a></dd>
     -->
      
 
@@ -223,11 +223,8 @@
    <li>the &lsquo;<a href="#text-outline0"><code
     class=property>text-outline</code></a>&rsquo; property
 
-   <li>the &lsquo;<a href="#text-trim"><code
-    class=property>text-trim</code></a>&rsquo; property
-
-   <li>the &lsquo;<a href="#text-autospace"><code
-    class=property>text-autospace</code></a>&rsquo; property
+   <li>the &lsquo;<a href="#text-spacing"><code
+    class=property>text-spacing</code></a>&rsquo; property
 
    <li><span class=issue>audit draft and add more here</span>
   </ul>
@@ -378,13 +375,9 @@
       the &lsquo;<code class=property>letter-spacing</code>&rsquo;
       property</a>
 
-     <li><a href="#text-trim-prop"><span class=secno>9.3. </span> Fullwidth
-      Kerning: the &lsquo;<code class=property>text-trim</code>&rsquo;
-      property</a>
-
-     <li><a href="#text-autospace-prop"><span class=secno>9.4. </span> Adding
-      space: the &lsquo;<code class=property>text-autospace</code>&rsquo;
-      property</a>
+     <li><a href="#text-spacing-prop"><span class=secno>9.3. </span>
+      Character Class Spacing: the &lsquo;<code
+      class=property>text-spacing</code>&rsquo; property</a>
     </ul>
 
    <li><a href="#edge-effects"><span class=secno>10. </span> Edge Effects</a>
@@ -1120,11 +1113,6 @@
     and after the line feed is F, W, or H (not A), and neither side is
     Hangul, then the line feed is removed.
 
-   <li>Otherwise, if &lsquo;<a href="#text-autospace"><code
-    class=property>text-autospace</code></a>&rsquo; property is set to add
-    extra spaces for the combination of the character before the line feed
-    and after, then the line break is removed.
-
    <li>Otherwise, the line feed is converted to a space (U+0020).
   </ul>
 
@@ -3002,16 +2990,18 @@
 
    <dd>An expansion opportunity exists between a pair of characters from the
     Unicode symbols (S*) and punctuation (P*) classes and at enabled <a
-    href="#text-autospace">autospace</a> points. The default justification
-    priority of these points depends on the justification method as defined
-    below; however there may be additional rules controlling their
-    justification behavior due to typographic tradition. For example, there
-    are traditionally no expansion opportunities between consecutive EM DASH
-    U+2014, HORIZONTAL BAR U+2015, HORIZONTAL ELLIPSIS U+2026, or TWO DOT
-    LEADER U+2025 characters <a href="#JLREQ"
-    rel=biblioentry>[JLREQ]<!--{{JLREQ}}--></a>. The UA may introduce
-    additional levels of priority to handle expansion opportunities involving
-    punctuation.
+    href="#text-autospace">autospace</a> points. <span class=issue>the
+    relationship of expansion opportunity and &lsquo;<a
+    href="#text-spacing"><code class=property>text-spacing</code></a>&rsquo;
+    needs more review</span> The default justification priority of these
+    points depends on the justification method as defined below; however
+    there may be additional rules controlling their justification behavior
+    due to typographic tradition. For example, there are traditionally no
+    expansion opportunities between consecutive EM DASH U+2014, HORIZONTAL
+    BAR U+2015, HORIZONTAL ELLIPSIS U+2026, or TWO DOT LEADER U+2025
+    characters <a href="#JLREQ" rel=biblioentry>[JLREQ]<!--{{JLREQ}}--></a>.
+    The UA may introduce additional levels of priority to handle expansion
+    opportunities involving punctuation.
 
    <dt>connected
 
@@ -3305,15 +3295,15 @@
     where the &lsquo;<a href="#text-justify0"><code
     class=property>text-justify</code></a>&rsquo; property is &lsquo;<code
     class=css>inter-ideograph</code>&rsquo; and the &lsquo;<a
-    href="#text-trim"><code class=property>text-trim</code></a>&rsquo;
+    href="#text-spacing"><code class=property>text-spacing</code></a>&rsquo;
     property does not specify &lsquo;<code
     class=css>no-justify</code>&rsquo;.</p>
 
    <p>It produces an effect similar to cases where the computed value of
-    &lsquo;<a href="#text-trim"><code
-    class=property>text-trim</code></a>&rsquo; property does not specify
-    &lsquo;<code class=css>force-end</code>&rsquo; or &lsquo;<code
-    class=css>keep-end</code>&rsquo;. If the UA wants to prohibit this
+    &lsquo;<a href="#text-spacing"><code
+    class=property>text-spacing</code></a>&rsquo; property does not specify
+    &lsquo;<code class=css>trim-end</code>&rsquo; or &lsquo;<code
+    class=css>space-end</code>&rsquo;. If the UA wants to prohibit this
     behavior, rule b. of 3.8.3 should be omitted.</p>
 
    <p>Note that the rules described in the document specifically target
@@ -3337,14 +3327,14 @@
               <li>Compress the left side of <a href="#fullwidth-opening-punctuation">fullwidth opening punctuations</a>
                 and the right side of <a href="#fullwidth-closing-punctuation">fullwidth closing punctuations</a>
                 up to 1/2em.</li>
-              <li>Compress spaces created by &lsquo;<code class=css>text-autospace</code>&rsquo; property up to 1/8em.</li>
+              <li>Compress spaces created by &lsquo;<code class=property>text-spacing</code>&rsquo; property up to 1/8em.</li>
             </ol></li>
           <li>If the compression fails to fit the line,
             take the last line break opportunity before the end of line,
             and apply the following rules (in order) to expand until it fits.
             <ol style="list-style-type:lower-alpha">
               <li>Expand space characters up to the maximum value specified by &lsquo;<code class=css>word-spacing</code>&rsquo; property, or up to 1/2em.</li>
-              <li>Expand spaces created by &lsquo;<code class=css>text-autospace</code>&rsquo; property up to 1/2em.</li>
+              <li>Expand spaces created by &lsquo;<code class=property>text-spacing</code>&rsquo; property up to 1/2em.</li>
               <li>Expand all expansion opportunities as defined above in equal percent of the size of each character.</li>
             </ol></li>
         </ol>
@@ -3586,41 +3576,25 @@
   <p>When the resulting space between two characters is not the same as the
    default space, user agents should not use optional ligatures.
 
-  <h3 id=text-trim-prop><span class=secno>9.3. </span> <a
-   name=punctuation-trim></a> Fullwidth Kerning: the &lsquo;<a
-   href="#text-trim"><code class=property>text-trim</code></a>&rsquo;
+  <h3 id=text-spacing-prop><span class=secno>9.3. </span> <a
+   name=punctuation-trim></a> <a name=text-trim-prop></a><a
+   name=text-trim></a> <a name=text-autospace-prop></a><a
+   name=text-autospace></a> Character Class Spacing: the &lsquo;<a
+   href="#text-spacing"><code class=property>text-spacing</code></a>&rsquo;
    property</h3>
 
-  <pre class=note>
-        Syntax is derived as a shorthand of the following theoretical
-        properties (defaults given first):
-
-           text-trim-start:      keep-start | force-start
-           text-trim-end:        allow-end | force-end | keep-end | keep-fullstop
-           text-trim-adjacent:   force-adjacent | keep-adjacent
-           text-trim-kana:       ...
-           text-trim-justify:    justify | no-justify
-
-        Filtering out the default values (and ignoring trim-kana),
-        we get the following shorthand:
-           text-trim: normal |
-                      force-start ||
-                      [ force-end | keep-end | keep-fullstop] ||
-                      keep-adjacent ||
-                      no-justify
-    </pre>
-
   <table class=propdef>
    <tbody>
     <tr>
      <th>Name:
 
-     <td><dfn id=text-trim>text-trim</dfn>
+     <td><dfn id=text-spacing>text-spacing</dfn>
 
     <tr>
      <th>Value:
 
-     <td>normal | force-start || [ keep-end | force-end ] || no-justify
+     <td>normal || trim-start || [ trim-end | space-end ] || no-justify ||
+      ideograph-alpha || ideograph-numeric || punctuation
 
     <tr>
      <th>Initial:
@@ -3653,31 +3627,45 @@
      <td>specified value
   </table>
 
-  <p>This property determines whether or not a fullwidth punctuation
-   character should be trimmed (kerned). Values are defined as follows:
+  <p>This property determines spacing between two characters classes. The
+   spacing may either be created or trimmed. Values are defined as follows:
 
   <dl>
-   <dt><dfn id=normal5 title="text-trim:normal">normal</dfn>
+   <dt><dfn id=normal5 title="text-spacing:normal">normal</dfn>
 
    <dd>Trim (kern) the blank half of fullwidth closing punctuation at the end
-    of each line if it does not otherwise fit prior to justification.
+    of each line if it does not otherwise fit prior to justification.</dd>
+   <!--
+      <dd>Equivalent to &lsquo;<code class=css>space-start allow-end justify</code>&rsquo;.</dd>
+      -->
 
-   <dt><dfn id=force-start title="text-trim:force-start">force-start</dfn>
+   <dt><dfn id=trim-start title="text-spacing:trim-start">trim-start</dfn>
 
    <dd>Trim (kern) the blank half of fullwidth opening punctuation at the
-    beginning of each line.
+    beginning of each line.</dd>
+   <!--
+      <dt><dfn title="text-spacing:space-start">space-start</dfn></dt>
+      <dd>Do not trim the blank half of fullwidth opening punctuation at
+        the beginning of each line.</dd>
+      -->
+   <!--
+      <dt><dfn title="text-spacing:allow-end">allow-end</dfn></dt>
+      <dd>Trim (kern) the blank half of fullwidth closing punctuation at
+        the end of each line if it does not otherwise fit prior to
+        justification.</dd>
+      -->
 
-   <dt><dfn id=keep-end title="text-trim:keep-end">keep-end</dfn>
+   <dt><dfn id=trim-end title="text-spacing:trim-end">trim-end</dfn>
 
-   <dd>Do not trim the blank half of fullwidth opening punctuation at the end
+   <dd>Trim (kern) the blank half of fullwidth closing punctuation at the end
     of each line.
 
-   <dt><dfn id=force-end title="text-trim:force-end">force-end</dfn>
+   <dt><dfn id=space-end title="text-spacing:keep-end">space-end</dfn>
 
-   <dd>Trim (kern) the blank half of fullwidth closing punctuation at the end
+   <dd>Do not trim the blank half of fullwidth closing punctuation at the end
     of each line.
 
-   <dt><dfn id=no-justify title="text-trim:no-justify">no-justify</dfn>
+   <dt><dfn id=no-justify title="text-spacing:no-justify">no-justify</dfn>
 
    <dd>The blank portions of fullwidth punctuation must not be trimmed during
     the justification process. (If this value is not specified, the
@@ -3685,6 +3673,33 @@
     punctuation glyphs.) <span class=note> An example of compression rules is
     given for Japanese in 3.8 Line Adjustment in <a href="#JLREQ"
     rel=biblioentry>[JLREQ]<!--{{JLREQ}}--></a>.</span>
+
+   <dt><dfn id=ideograph-alpha
+    title="text-spacing:ideograph-alpha">ideograph-alpha</dfn>
+
+   <dd>Creates 1/4em extra spacing between runs of ideographic letters and
+    non-ideographic letters, such as Latin-based, Cyrillic, Greek, Arabic or
+    Hebrew. <span class=note>A commonly used algorithm for determining this
+    behavior is specified in <a href="#JLREQ"
+    rel=biblioentry>[JLREQ]<!--{{JLREQ}}--></a></span>
+
+   <dt><dfn id=ideograph-numeric
+    title="text-spacing:ideograph-numeric">ideograph-numeric</dfn>
+
+   <dd>Creates 1/4em extra spacing between runs of ideographic letters and
+    non-ideographic numeric glyphs. <span class=note>A commonly used
+    algorithm for determining this behavior is specified in <a href="#JLREQ"
+    rel=biblioentry>[JLREQ]<!--{{JLREQ}}--></a></span>
+
+   <dt><dfn id=punctuation title="text-spacing:punctuation">punctuation</dfn>
+    
+
+   <dd>Creates extra non-breaking spacing around punctuation as required by
+    language-specific typographic conventions. For example, if the element's
+    content language is French, narrow no-break space (U+202F) and no-break
+    space (U+00A0) should be inserted where required by <a
+    href="http://unicode.org/udhr/n/notes_fra.html">French typographic
+    guidelines</a>.
   </dl>
 
   <p>In all cases, the UA must trim (kern) the blank half of fullwidth
@@ -3809,6 +3824,49 @@
 
    <dd>Includes IDEOGRAPHIC COMMA (U+3001), IDEOGRAPHIC FULL STOP (U+3002),
     FULLWIDTH COMMA (U+FF0C), FULLWIDTH FULL STOP (U+FF0E).
+
+   <dt><dfn id=ideographic-letters>Ideographic letters</dfn>
+
+   <dd>Includes all characters listed below:
+    <ul>
+     <li>All characters in the range of U+3041 to U+30FF, except that belongs
+      to Unicode Punctuation [P*] category.
+
+     <li>CJK Strokes (U+31C0 to U+31EF).
+
+     <li>Katakana Phonetic Extensions (U+31F0 to U+31FF).
+
+     <li>All characters that belongs to Han Unicode Script Property <a
+      href="#UAX24" rel=biblioentry>[UAX24]<!--{{!UAX24}}--></a>.
+    </ul>
+
+   <dt><dfn id=non-ideographic-letters>Non-ideographic letters</dfn>
+
+   <dd>Includes all characters that belongs to Unicode Letters [L*] and Mark
+    [M*] category, except any of the following conditions are met:
+    <ul>
+     <li>Is defined as Ideographic letters.
+
+     <li>Is categorized as East Asian Fullwidth (F) by <a href="#UAX11"
+      rel=biblioentry>[UAX11]<!--{{!UAX11}}--></a>.
+
+     <li>Is upright in vertical text flow using the &lsquo;<code
+      class=property>text-orientation</code>&rsquo; property or the
+      &lsquo;<code class=property>text-combine</code>&rsquo; property.
+    </ul>
+
+   <dt><dfn id=non-ideographic-numerals>Non-ideographic numerals</dfn>
+
+   <dd>Includes all characters that belongs to Unicode Number, Decimal Digit
+    [Nd] category, except any of the following conditions are met:
+    <ul>
+     <li>Is categorized as East Asian Fullwidth (F) by <a href="#UAX11"
+      rel=biblioentry>[UAX11]<!--{{!UAX11}}--></a>.
+
+     <li>Is upright in vertical text flow using the &lsquo;<code
+      class=property>text-orientation</code>&rsquo; property or the
+      &lsquo;<code class=property>text-combine</code>&rsquo; property.
+    </ul>
   </dl>
 
   <p>Fullwidth opening and closing punctuation must not be trimmed if the
@@ -3887,188 +3945,33 @@
     standard convention is often not followed.</p>
   </div>
 
-  <p>Support for this property is <em>optional</em>. It is strongly
-   recommended for UAs that wish to support CJK typography.
-
-  <h3 id=text-autospace-prop><span class=secno>9.4. </span> Adding space: the
-   &lsquo;<a href="#text-autospace"><code
-   class=property>text-autospace</code></a>&rsquo; property</h3>
-
-  <table class=propdef>
-   <tbody>
-    <tr>
-     <th>Name:
-
-     <td><dfn id=text-autospace>text-autospace</dfn>
-
-    <tr>
-     <th>Value:
-
-     <td>none | [ ideograph-numeric || ideograph-alpha || punctuation ]
-
-    <tr>
-     <th>Initial:
-
-     <td>none
-
-    <tr>
-     <th>Applies to:
-
-     <td>all elements
-
-    <tr>
-     <th>Inherited:
-
-     <td>yes
-
-    <tr>
-     <th>Percentages:
-
-     <td>N/A
-
-    <tr>
-     <th>Media:
-
-     <td>visual
-
-    <tr>
-     <th>Computed&#160;value:
-
-     <td>specified value
-  </table>
-
-  <p>When a run of non-ideographic or numeric characters appears inside of
-   ideographic text, a certain amount of space is often preferred on both
-   sides of the non-ideographic text to separate it from the surrounding
-   ideographic glyphs. This property controls the creation of that space when
-   rendering the text. That added width does not correspond to the insertion
-   of additional space characters, but instead to the width increment of
-   existing glyphs.
-
-  <p>(A commonly used algorithm for determining this behavior is specified in
-   <a href="#JLREQ" rel=biblioentry>[JLREQ]<!--{{JLREQ}}--></a>.)
+  <p>When creating extra spacing, the added width does not correspond to the
+   insertion of additional space characters, but instead to the width
+   increment of existing glyphs.
 
-  <p>This property is additive with the <span class=property><a
-   href="#word-spacing">&lsquo;<code
-   class=property>word-spacing</code>&rsquo;</a></span> and <span
-   class=property><a href="#letter-spacing">&lsquo;<code
-   class=property>letter-spacing</code>&rsquo;</a></span> <a href="#CSS21"
-   rel=biblioentry>[CSS21]<!--{{!CSS21}}--></a> properties. That is, the
+  <p>This property is additive with the &lsquo;<a href="#word-spacing0"><code
+   class=property>word-spacing</code></a>&rsquo; and &lsquo;<a
+   href="#letter-spacing0"><code
+   class=property>letter-spacing</code></a>&rsquo; properties. That is, the
    amount of spacing contributed by the &lsquo;<a
    href="#letter-spacing0"><code
    class=property>letter-spacing</code></a>&rsquo; setting (if any) is added
-   to the spacing created by <span class=property><a
-   href="#text-autospace">&lsquo;<code
-   class=property>text-autospace</code>&rsquo;</a></span>. The same applies
-   to <span class=property><a href="#word-spacing">&lsquo;<code
-   class=property>word-spacing</code>&rsquo;</a></span>.
-
-  <p>The space added can be compressed or expanded during the justification
-   process as specified in the &lsquo;<a href="#text-justify0"><code
-   class=property>text-justify</code></a>&rsquo; property.
+   to the spacing created by &lsquo;<a href="#text-spacing"><code
+   class=property>text-spacing</code></a>&rsquo;. The same applies to
+   &lsquo;<a href="#word-spacing0"><code
+   class=property>word-spacing</code></a>&rsquo;.
 
   <p>This property applies only to the same inline element context, and can
    apply across elements if in the same inline element context.
 
-  <p>Values have the following meanings:
-
-  <dl>
-   <dt><dfn id=none3 title="text-autospace:none"><code>none</code></dfn>
-
-   <dd>No extra space is created.
-
-   <dt><dfn id=ideograph-numeric
-    title="text-autospace:ideograph-numeric"><code>ideograph-numeric</code></dfn>
-
-   <dd>Creates 1/4em extra spacing between runs of ideographic letters and
-    non-ideographic numeric glyphs.
-
-   <dt><dfn id=ideograph-alpha
-    title="text-autospace:ideograph-alpha"><code>ideograph-alpha</code></dfn>
-
-   <dd>Creates 1/4em extra spacing between runs of ideographic letters and
-    non-ideographic letters, such as Latin-based, Cyrillic, Greek, Arabic or
-    Hebrew.
-
-   <dt><dfn id=punctuation
-    title="text-autospace:punctuation"><code>punctuation</code></dfn>
-
-   <dd>Creates extra non-breaking spacing around punctuation as required by
-    language-specific typographic conventions. For example, if the element's
-    content language is French, narrow no-break space (U+202F) and no-break
-    space (U+00A0) should be inserted where required by <a
-    href="http://unicode.org/udhr/n/notes_fra.html">French typographic
-    guidelines</a>.
-  </dl>
-
-  <p class=issue>It was requested to add a value for doubling the space after
-   periods.
-
   <p>At element boundaries, the font size of the extra spacing is given by
    and rendered within the innermost element that contains the boundary.
 
-  <p>In the context of this property the following definitions apply:
-
-  <p class=issue>Reviews and feedbacks to the classes/code points are
-   appreciated.
-
-  <dl>
-   <dt><dfn id=ideographic-letters>Ideographic letters</dfn>
-
-   <dd>
-    <ul>
-     <li>All characters in the range of U+3041 to U+30FF, except that belongs
-      to Unicode Punctuation [P*] category.
-
-     <li>CJK Strokes (U+31C0 to U+31EF).
-
-     <li>Katakana Phonetic Extensions (U+31F0 to U+31FF).
-
-     <li>All characters that belongs to Han Unicode Script Property <a
-      href="#UAX24" rel=biblioentry>[UAX24]<!--{{!UAX24}}--></a>.
-    </ul>
-
-   <dt><dfn id=non-ideographic-numerals>Non-ideographic numerals</dfn>
-
-   <dd>
-    <ul>
-     <li>All characters that belongs to Unicode Number, Decimal Digit [Nd]
-      category.
-
-     <li>Except any of the following conditions are met:
-      <ul>
-       <li>Is categorized as East Asian Fullwidth (F) by <a href="#UAX11"
-        rel=biblioentry>[UAX11]<!--{{!UAX11}}--></a>.
-
-       <li>Is upright in vertical text flow using the &lsquo;<code
-        class=property>text-orientation</code>&rsquo; property or the
-        &lsquo;<code class=property>text-combine</code>&rsquo; property.
-      </ul>
-    </ul>
-
-   <dt><dfn id=non-ideographic-letters>Non-ideographic letters</dfn>
-
-   <dd>
-    <ul>
-     <li>All characters that belongs to Unicode Letters [L*] and Mark [M*]
-      category.
-
-     <li>Except any of the following conditions are met:
-      <ul>
-       <li>Is defined as Ideographic letters.
-
-       <li>Is categorized as East Asian Fullwidth (F) by <a href="#UAX11"
-        rel=biblioentry>[UAX11]<!--{{!UAX11}}--></a>.
-
-       <li>Is upright in vertical text flow using the &lsquo;<code
-        class=property>text-orientation</code>&rsquo; property or the
-        &lsquo;<code class=property>text-combine</code>&rsquo; property.
-      </ul>
-    </ul>
-  </dl>
+  <p>Support for this property is <em>optional</em>. It is strongly
+   recommended for UAs that wish to support CJK typography.
 
-  <p>Support for this property is <em>optional</em>. It is recommended for
-   UAs that wish to support CJK typography.
+  <p class=issue>It was requested to add a value for doubling the space after
+   periods.
 
   <h2 id=edge-effects><span class=secno>10. </span> Edge Effects</h2>
 
@@ -4078,7 +3981,8 @@
    to the start and end edges of a line (&lsquo;<a
    href="#hanging-punctuation0"><code
    class=property>hanging-punctuation</code></a>&rsquo;, see also &lsquo;<a
-   href="#text-trim"><code class=property>text-trim</code></a>&rsquo;).
+   href="#text-spacing"><code class=property>text-spacing</code></a>&rsquo;).
+   
 
   <div class=example>
    <p>Japanese has three common start-edge typesetting schemes, which are
@@ -4107,21 +4011,21 @@
      <pre>p { /* Flush alignment */
 <!--   -->  margin: 0;
 <!--   -->  text-indent: 1em;
-<!--   -->  text-trim: force-start;
+<!--   -->  text-spacing: trim-start;
 <!--   -->}</pre>
 
     <li>Brackets preserve fullwidth spacing on all lines (second scheme):
      <pre>p { /* Fullwidth alignment */
 <!--   -->  margin: 0;
 <!--   -->  text-indent: 1em;
-<!--   -->  text-trim: normal;
+<!--   -->  text-spacing: normal;
 <!--   -->}</pre>
 
     <li>Brackets hang in indent, flush with other lines (third scheme):
      <pre>p { /* Hanging alignment */
 <!--   -->  margin: 0;
 <!--   -->  text-indent: 1em;
-<!--   -->  text-trim: force-start;
+<!--   -->  text-spacing: trim-start;
 <!--   -->  hanging-punctuation: first;
 <!--   -->}</pre>
    </ul>
@@ -4300,7 +4204,7 @@
     formatted line</a> of an element hangs. This applies to all characters in
     the Unicode categories Ps, Pf, Pi.
 
-   <dt><dfn id=force-end0
+   <dt><dfn id=force-end
     title="hanging-punctuation:force-end"><code>force-end</code></dfn>
 
    <dd>A stop or comma at the end of a line hangs.
@@ -4512,7 +4416,7 @@
    Values have the following meanings:
 
   <dl>
-   <dt><dfn id=none4 title="text-decoration-line:none">none</dfn>
+   <dt><dfn id=none3 title="text-decoration-line:none">none</dfn>
 
    <dd>Neither produces nor inhibits text decoration.
 
@@ -4795,7 +4699,7 @@
    drawn by its ancestors. Values have the following meanings:
 
   <dl>
-   <dt><dfn id=none5 title="text-decoration-skip:none">none</dfn>
+   <dt><dfn id=none4 title="text-decoration-skip:none">none</dfn>
 
    <dd>Skip nothing: text-decoration is drawn for all text content and for
     inline replaced elements.
@@ -5007,7 +4911,7 @@
    the following meanings:
 
   <dl>
-   <dt><dfn id=none6 title="text-emphasis:none"><code>none</code></dfn>
+   <dt><dfn id=none5 title="text-emphasis:none"><code>none</code></dfn>
 
    <dd>No emphasis marks.
 
@@ -5631,10 +5535,9 @@
    href="#hyphenate-resource"><code
    class=css>@hyphenate-resource</code></a>&rsquo;, &lsquo;<a
    href="#line-break0"><code class=property>line-break</code></a>&rsquo;,
-   &lsquo;<a href="#text-autospace"><code
-   class=property>text-autospace</code></a>&rsquo;, &lsquo;<a
-   href="#text-trim"><code class=property>text-trim</code></a>&rsquo;,
-   &lsquo;<a href="#hanging-punctuation0"><code
+   &lsquo;<a href="#text-spacing"><code
+   class=property>text-spacing</code></a>&rsquo;, &lsquo;<a
+   href="#hanging-punctuation0"><code
    class=property>hanging-punctuation</code></a>&rsquo;
 
   <p>Significant details updated:
@@ -5683,16 +5586,6 @@
      <dt style="display:
       none"><!-- keeps the doc valid if the DL is empty --> <!---->
 
-     <dt id=CSS21>[CSS21]
-
-     <dd>Bert Bos; et al. <a
-      href="http://www.w3.org/TR/2010/WD-CSS2-20101207"><cite>Cascading Style
-      Sheets Level 2 Revision 1 (CSS 2.1) Specification.</cite></a> 7
-      December 2010. W3C Working Draft. (Work in progress.) URL: <a
-      href="http://www.w3.org/TR/2010/WD-CSS2-20101207">http://www.w3.org/TR/2010/WD-CSS2-20101207</a>
-      </dd>
-     <!---->
-
      <dt id=CSS3BG>[CSS3BG]
 
      <dd>Bert Bos; Elika J. Etemad; Brad Kemper. <a
@@ -5898,19 +5791,6 @@
        <td>CJK (Japanese)
 
       <tr>
-       <td>&lsquo;<a href="#text-autospace"><code
-        class=property>text-autospace</code></a>&rsquo;
-
-       <td>CJK
-
-      <tr>
-       <td>&lsquo;<a href="#text-autospace"><code
-        class=property>text-autospace</code></a>&rsquo;: &lsquo;<code
-        class=css>punctuation</code>&rsquo;
-
-       <td>European (French)
-
-      <tr>
        <td>&lsquo;<a href="#text-justify0"><code
         class=property>text-justify</code></a>&rsquo;: &lsquo;<code
         class=css>inter-cluster</code>&rsquo;
@@ -5958,6 +5838,19 @@
        <td>CJK
 
       <tr>
+       <td>&lsquo;<a href="#text-spacing"><code
+        class=property>text-spacing</code></a>&rsquo;
+
+       <td>CJK
+
+      <tr>
+       <td>&lsquo;<a href="#text-spacing"><code
+        class=property>text-spacing</code></a>&rsquo;: &lsquo;<code
+        class=css>punctuation</code>&rsquo;
+
+       <td>European (French)
+
+      <tr>
        <td>&lsquo;<a href="#text-transform0"><code
         class=property>text-transform</code></a>&rsquo;: &lsquo;<code
         class=css>capitalize</code>&rsquo;, &lsquo;<code
@@ -5975,12 +5868,6 @@
        <td>CJK
 
       <tr>
-       <td>&lsquo;<a href="#text-trim"><code
-        class=property>text-trim</code></a>&rsquo;
-
-       <td>CJK
-
-      <tr>
        <td>&lsquo;<a href="#text-underline-position0"><code
         class=property>text-underline-position</code></a>&rsquo;:
         &lsquo;<code class=css>auto</code>&rsquo;
@@ -6312,21 +6199,6 @@
        <td>visual
 
       <tr valign=baseline>
-       <td><a class=property href="#text-autospace">text-autospace</a>
-
-       <td>none | [ ideograph-numeric || ideograph-alpha || punctuation ]
-
-       <td>none
-
-       <td>all elements
-
-       <td>yes
-
-       <td>N/A
-
-       <td>visual
-
-      <tr valign=baseline>
        <td><a class=property href="#text-decoration0">text-decoration</a>
 
        <td>&lt;text-decoration-line&gt; || &lt;text-decoration-color&gt; ||
@@ -6536,12 +6408,12 @@
        <td>visual
 
       <tr valign=baseline>
-       <td><a class=property href="#text-transform0">text-transform</a>
+       <td><a class=property href="#text-spacing">text-spacing</a>
 
-       <td>none | [ [ capitalize | uppercase | lowercase ] || fullwidth ||
-        fullsize-kana ]
+       <td>normal || trim-start || [ trim-end | space-end ] || no-justify ||
+        ideograph-alpha || ideograph-numeric || punctuation
 
-       <td>none
+       <td>normal
 
        <td>all elements
 
@@ -6552,11 +6424,12 @@
        <td>visual
 
       <tr valign=baseline>
-       <td><a class=property href="#text-trim">text-trim</a>
+       <td><a class=property href="#text-transform0">text-transform</a>
 
-       <td>normal | force-start || [ keep-end | force-end ] || no-justify
+       <td>none | [ [ capitalize | uppercase | lowercase ] || fullwidth ||
+        fullsize-kana ]
 
-       <td>normal
+       <td>none
 
        <td>all elements
 
@@ -6758,7 +6631,7 @@
      <li>hanging-punctuation:first, <a href="#first"
       title="hanging-punctuation:first"><strong>10.2.</strong></a>
 
-     <li>hanging-punctuation:force-end, <a href="#force-end0"
+     <li>hanging-punctuation:force-end, <a href="#force-end"
       title="hanging-punctuation:force-end"><strong>10.2.</strong></a>
 
      <li>hyphenate-character, <a href="#hyphenate-character0"
@@ -6783,7 +6656,7 @@
       
 
      <li>Ideographic letters, <a href="#ideographic-letters"
-      title="Ideographic letters"><strong>9.4.</strong></a>
+      title="Ideographic letters"><strong>9.3.</strong></a>
 
      <li>letter-spacing, <a href="#letter-spacing0"
       title=letter-spacing><strong>9.2.</strong></a>
@@ -6810,10 +6683,10 @@
       title="''none''"><strong>6.5.</strong></a>
 
      <li>Non-ideographic letters, <a href="#non-ideographic-letters"
-      title="Non-ideographic letters"><strong>9.4.</strong></a>
+      title="Non-ideographic letters"><strong>9.3.</strong></a>
 
      <li>Non-ideographic numerals, <a href="#non-ideographic-numerals"
-      title="Non-ideographic numerals"><strong>9.4.</strong></a>
+      title="Non-ideographic numerals"><strong>9.3.</strong></a>
 
      <li>overline, <a href="#overline"
       title=overline><strong>11.1.1.</strong></a>
@@ -6882,21 +6755,6 @@
      <li>text-align:&lt;string>, <a href="#ltstringgt"
       title="text-align:&lt;string>"><strong>8.1.</strong></a>
 
-     <li>text-autospace, <a href="#text-autospace"
-      title=text-autospace><strong>9.4.</strong></a>
-
-     <li>text-autospace:ideograph-alpha, <a href="#ideograph-alpha"
-      title="text-autospace:ideograph-alpha"><strong>9.4.</strong></a>
-
-     <li>text-autospace:ideograph-numeric, <a href="#ideograph-numeric"
-      title="text-autospace:ideograph-numeric"><strong>9.4.</strong></a>
-
-     <li>text-autospace:none, <a href="#none3"
-      title="text-autospace:none"><strong>9.4.</strong></a>
-
-     <li>text-autospace:punctuation, <a href="#punctuation"
-      title="text-autospace:punctuation"><strong>9.4.</strong></a>
-
      <li>text-decoration, <a href="#text-decoration0"
       title=text-decoration><strong>11.1.4.</strong></a>
 
@@ -6906,7 +6764,7 @@
      <li>text-decoration-line, <a href="#text-decoration-line0"
       title=text-decoration-line><strong>11.1.1.</strong></a>
 
-     <li>text-decoration-line:none, <a href="#none4"
+     <li>text-decoration-line:none, <a href="#none3"
       title="text-decoration-line:none"><strong>11.1.1.</strong></a>
 
      <li>text-decoration-skip, <a href="#text-decoration-skip0"
@@ -6915,7 +6773,7 @@
      <li>text-decoration-skip:ink, <a href="#ink"
       title="text-decoration-skip:ink"><strong>11.1.5.</strong></a>
 
-     <li>text-decoration-skip:none, <a href="#none5"
+     <li>text-decoration-skip:none, <a href="#none4"
       title="text-decoration-skip:none"><strong>11.1.5.</strong></a>
 
      <li>text-decoration-skip:objects, <a href="#objects"
@@ -6954,7 +6812,7 @@
      <li>text-emphasis:left, <a href="#left0"
       title="text-emphasis:left"><strong>11.2.4.</strong></a>
 
-     <li>text-emphasis:none, <a href="#none6"
+     <li>text-emphasis:none, <a href="#none5"
       title="text-emphasis:none"><strong>11.2.1.</strong></a>
 
      <li>text-emphasis:open, <a href="#open"
@@ -7010,6 +6868,33 @@
      <li>text-shadow, <a href="#text-shadow0"
       title=text-shadow><strong>11.3.</strong></a>
 
+     <li>text-spacing, <a href="#text-spacing"
+      title=text-spacing><strong>9.3.</strong></a>
+
+     <li>text-spacing:ideograph-alpha, <a href="#ideograph-alpha"
+      title="text-spacing:ideograph-alpha"><strong>9.3.</strong></a>
+
+     <li>text-spacing:ideograph-numeric, <a href="#ideograph-numeric"
+      title="text-spacing:ideograph-numeric"><strong>9.3.</strong></a>
+
+     <li>text-spacing:keep-end, <a href="#space-end"
+      title="text-spacing:keep-end"><strong>9.3.</strong></a>
+
+     <li>text-spacing:no-justify, <a href="#no-justify"
+      title="text-spacing:no-justify"><strong>9.3.</strong></a>
+
+     <li>text-spacing:normal, <a href="#normal5"
+      title="text-spacing:normal"><strong>9.3.</strong></a>
+
+     <li>text-spacing:punctuation, <a href="#punctuation"
+      title="text-spacing:punctuation"><strong>9.3.</strong></a>
+
+     <li>text-spacing:trim-end, <a href="#trim-end"
+      title="text-spacing:trim-end"><strong>9.3.</strong></a>
+
+     <li>text-spacing:trim-start, <a href="#trim-start"
+      title="text-spacing:trim-start"><strong>9.3.</strong></a>
+
      <li>text-transform, <a href="#text-transform0"
       title=text-transform><strong>3.1.</strong></a>
 
@@ -7031,24 +6916,6 @@
      <li>text-transform:uppercase, <a href="#uppercase"
       title="text-transform:uppercase"><strong>3.1.</strong></a>
 
-     <li>text-trim, <a href="#text-trim"
-      title=text-trim><strong>9.3.</strong></a>
-
-     <li>text-trim:force-end, <a href="#force-end"
-      title="text-trim:force-end"><strong>9.3.</strong></a>
-
-     <li>text-trim:force-start, <a href="#force-start"
-      title="text-trim:force-start"><strong>9.3.</strong></a>
-
-     <li>text-trim:keep-end, <a href="#keep-end"
-      title="text-trim:keep-end"><strong>9.3.</strong></a>
-
-     <li>text-trim:no-justify, <a href="#no-justify"
-      title="text-trim:no-justify"><strong>9.3.</strong></a>
-
-     <li>text-trim:normal, <a href="#normal5"
-      title="text-trim:normal"><strong>9.3.</strong></a>
-
      <li>text-underline-position, <a href="#text-underline-position0"
       title=text-underline-position><strong>11.1.6.</strong></a>
 

Index: Overview.src.html
===================================================================
RCS file: /sources/public/csswg/css3-text/Overview.src.html,v
retrieving revision 1.201
retrieving revision 1.202
diff -u -d -r1.201 -r1.202
--- Overview.src.html	13 Apr 2011 08:45:47 -0000	1.201
+++ Overview.src.html	16 Apr 2011 06:15:59 -0000	1.202
@@ -180,8 +180,7 @@
       <li>the 'hyphenate-limit-*' properties
       <li>the 'hyphenate-resource' property / ''@hyphenate-resource'' at-rule
       <li>the 'text-outline' property
-      <li>the 'text-trim' property
-      <li>the 'text-autospace' property
+      <li>the 'text-spacing' property
       <li><span class="issue">audit draft and add more here</span>
     </ul>
 
@@ -717,9 +716,6 @@
           the character before and after the line feed is F, W, or H (not A),
           and neither side is Hangul,
           then the line feed is removed.
-        <li>Otherwise, if 'text-autospace' property is set to add extra spaces
-          for the combination of the character before the line feed and after,
-          then the line break is removed.
         <li>Otherwise, the line feed is converted to a space (U+0020).
       </ul>
 
@@ -2150,6 +2146,8 @@
         <dd>An expansion opportunity exists between a pair of characters
           from the Unicode symbols (S*) and punctuation (P*) classes and
           at enabled <a href="#text-autospace">autospace</a> points.
+          <span class="issue">the relationship of expansion opportunity
+            and 'text-spacing' needs more review</span>
           The default justification priority of these points depends on the
           justification method as defined below; however there may be
           additional rules controlling their justification behavior due to
@@ -2375,9 +2373,10 @@
         how a text formatter can justify Japanese text.
         It describes rules for cases where the 'text-justify' property is ''inter-ideograph''.
         It describes rules for cases where the 'text-justify' property is ''inter-ideograph''
-        and the 'text-trim' property does not specify ''no-justify''.</p>
+        and the 'text-spacing' property does not specify ''no-justify''.</p>
       <p>It produces an effect similar to cases where
-        the computed value of 'text-trim' property does not specify ''force-end'' or ''keep-end''.
+        the computed value of 'text-spacing' property does not specify
+        ''trim-end'' or ''space-end''.
         If the UA wants to prohibit this behavior,
         rule b. of 3.8.3 should be omitted.</p>
       <p>Note that the rules described in the document specifically target Japanese.
@@ -2402,14 +2401,14 @@
               <li>Compress the left side of <a href="#fullwidth-opening-punctuation">fullwidth opening punctuations</a>
                 and the right side of <a href="#fullwidth-closing-punctuation">fullwidth closing punctuations</a>
                 up to 1/2em.</li>
-              <li>Compress spaces created by ''text-autospace'' property up to 1/8em.</li>
+              <li>Compress spaces created by 'text-spacing' property up to 1/8em.</li>
             </ol></li>
           <li>If the compression fails to fit the line,
             take the last line break opportunity before the end of line,
             and apply the following rules (in order) to expand until it fits.
             <ol style="list-style-type:lower-alpha">
               <li>Expand space characters up to the maximum value specified by ''word-spacing'' property, or up to 1/2em.</li>
-              <li>Expand spaces created by ''text-autospace'' property up to 1/2em.</li>
+              <li>Expand spaces created by 'text-spacing' property up to 1/2em.</li>
               <li>Expand all expansion opportunities as defined above in equal percent of the size of each character.</li>
             </ol></li>
         </ol>
@@ -2634,40 +2633,27 @@
     <p>When the resulting space between two characters is not the same as the
       default space, user agents should not use optional ligatures.</p>
 
-  <h3 id="text-trim-prop">
+  <h3 id="text-spacing-prop">
     <a name="punctuation-trim"></a>
-    Fullwidth Kerning: the 'text-trim' property</h3>
-
-    <pre class="note">
-        Syntax is derived as a shorthand of the following theoretical
-        properties (defaults given first):
-
-           text-trim-start:      keep-start | force-start
-           text-trim-end:        allow-end | force-end | keep-end | keep-fullstop
-           text-trim-adjacent:   force-adjacent | keep-adjacent
-           text-trim-kana:       ...
-           text-trim-justify:    justify | no-justify
+    <a name="text-trim-prop"></a><a name="text-trim"></a>
+    <a name="text-autospace-prop"></a><a name="text-autospace"></a>
+    Character Class Spacing: the 'text-spacing' property</h3>
 
-        Filtering out the default values (and ignoring trim-kana),
-        we get the following shorthand:
-           text-trim: normal |
-                      force-start ||
-                      [ force-end | keep-end | keep-fullstop] ||
-                      keep-adjacent ||
-                      no-justify
-    </pre>
     <table class="propdef">
       <tbody>
         <tr>
           <th>Name:</th>
-          <td><dfn>text-trim</dfn></td>
+          <td><dfn>text-spacing</dfn></td>
         </tr>
         <tr>
           <th>Value:</th>
-          <td>normal |
-              force-start ||
-              [ keep-end | force-end ] ||
-              no-justify
+          <td>normal ||
+              trim-start ||
+              [ trim-end | space-end ] ||
+              no-justify ||
+              ideograph-alpha ||
+              ideograph-numeric ||
+              punctuation
           </td>
         </tr>
         <tr>
@@ -2697,24 +2683,39 @@
       </tbody>
     </table>
 
-    <p>This property determines whether or not a fullwidth punctuation
-      character should be trimmed (kerned). Values are defined as follows:</p>
+    <p>This property determines spacing between two characters classes.
+      The spacing may either be created or trimmed. 
+      Values are defined as follows:</p>
 
     <dl>
-      <dt><dfn title="text-trim:normal">normal</dfn></dt>
+      <dt><dfn title="text-spacing:normal">normal</dfn></dt>
       <dd>Trim (kern) the blank half of fullwidth closing punctuation at
         the end of each line if it does not otherwise fit prior to
         justification.</dd>
-      <dt><dfn title="text-trim:force-start">force-start</dfn></dt>
+      <!--
+      <dd>Equivalent to ''space-start allow-end justify''.</dd>
+      -->
+      <dt><dfn title="text-spacing:trim-start">trim-start</dfn></dt>
       <dd>Trim (kern) the blank half of fullwidth opening punctuation at
         the beginning of each line. </dd>
-      <dt><dfn title="text-trim:keep-end">keep-end</dfn></dt>
+      <!--
+      <dt><dfn title="text-spacing:space-start">space-start</dfn></dt>
       <dd>Do not trim the blank half of fullwidth opening punctuation at
-        the end of each line. </dd>
-      <dt><dfn title="text-trim:force-end">force-end</dfn></dt>
+        the beginning of each line.</dd>
+      -->
+      <!--
+      <dt><dfn title="text-spacing:allow-end">allow-end</dfn></dt>
+      <dd>Trim (kern) the blank half of fullwidth closing punctuation at
+        the end of each line if it does not otherwise fit prior to
+        justification.</dd>
+      -->
+      <dt><dfn title="text-spacing:trim-end">trim-end</dfn></dt>
       <dd>Trim (kern) the blank half of fullwidth closing punctuation at
         the end of each line.</dd>
-      <dt><dfn title="text-trim:no-justify">no-justify</dfn></dt>
+      <dt><dfn title="text-spacing:keep-end">space-end</dfn></dt>
+      <dd>Do not trim the blank half of fullwidth closing punctuation at
+        the end of each line. </dd>
+      <dt><dfn title="text-spacing:no-justify">no-justify</dfn></dt>
       <dd>The blank portions of fullwidth punctuation must not be trimmed
          during the justification process. (If this value is not specified,
          the justification process may trim the blank portions of fullwidth
@@ -2723,6 +2724,25 @@
           An example of compression rules is given for Japanese in
           3.8 Line Adjustment in [[JLREQ]].</span>
         </dd>
+      <dt><dfn title="text-spacing:ideograph-alpha">ideograph-alpha</dfn></dt>
+        <dd>Creates 1/4em extra spacing between runs of ideographic letters and
+          non-ideographic letters, such as Latin-based, Cyrillic, Greek, Arabic or Hebrew.
+          <span class="note">A commonly used algorithm for determining this
+            behavior is specified in [[JLREQ]]</span>
+        </dd>
+      <dt><dfn title="text-spacing:ideograph-numeric">ideograph-numeric</dfn></dt>
+        <dd>Creates 1/4em extra spacing between runs of ideographic letters and
+          non-ideographic numeric glyphs.
+          <span class="note">A commonly used algorithm for determining this
+            behavior is specified in [[JLREQ]]</span>
+        </dd>
+      <dt><dfn title="text-spacing:punctuation">punctuation</dfn>
+        <dd>Creates extra non-breaking spacing around punctuation as required by
+          language-specific typographic conventions. For example, if the
+          element's content language is French, narrow no-break space (U+202F)
+          and no-break space (U+00A0) should be inserted where required by
+          <a href="http://unicode.org/udhr/n/notes_fra.html">French typographic
+          guidelines</a>.
     </dl>
 
     <p>In all cases, the UA must trim (kern) the blank half of fullwidth
@@ -2806,6 +2826,35 @@
       <dt id="fullwidth-dot-punctuation"><dfn>fullwidth dot punctuation</dfn></dt>
       <dd>Includes IDEOGRAPHIC COMMA (U+3001), IDEOGRAPHIC FULL STOP (U+3002),
         FULLWIDTH COMMA (U+FF0C), FULLWIDTH FULL STOP (U+FF0E).</dd>
+      <dt><dfn>Ideographic letters</dfn></dt>
+      <dd>Includes all characters listed below:
+        <ul>
+          <li>All characters in the range of U+3041 to U+30FF,
+            except that belongs to Unicode Punctuation [P*] category.</li>
+          <li>CJK Strokes (U+31C0 to U+31EF).</li>
+          <li>Katakana Phonetic Extensions (U+31F0 to U+31FF).</li>
+          <li>All characters that belongs to Han Unicode Script Property [[!UAX24]].</li>
+        </ul>
+      </dd>
+      <dt><dfn>Non-ideographic letters</dfn></dt>
+      <dd>Includes all characters that belongs to Unicode Letters [L*] and
+        Mark [M*] category, except any of the following conditions are met:
+          <ul>
+            <li>Is defined as Ideographic letters.</li>
+            <li>Is categorized as East Asian Fullwidth (F) by [[!UAX11]].</li>
+            <li>Is upright in vertical text flow using the 'text-orientation' property
+              or the 'text-combine' property.</li>
+          </ul>
+      </dd>
+      <dt><dfn>Non-ideographic numerals</dfn></dt>
+      <dd>Includes all characters that belongs to Unicode Number, Decimal Digit
+        [Nd] category, except any of the following conditions are met:
+          <ul>
+            <li>Is categorized as East Asian Fullwidth (F) by [[!UAX11]].</li>
+            <li>Is upright in vertical text flow using the 'text-orientation' property
+              or the 'text-combine' property.</li>
+          </ul>
+      </dd>
     </dl>
 
     <p>Fullwidth opening and closing punctuation must not be trimmed if the
@@ -2852,155 +2901,33 @@
         standard convention is often not followed.</p>
     </div>
 
-    <p>Support for this property is <em>optional</em>. It is strongly
-      recommended for UAs that wish to support CJK typography.</p>
-
-  <h3 id="text-autospace-prop">
-    Adding space: the 'text-autospace' property</h3>
-
-    <table class="propdef">
-      <tbody>
-        <tr>
-          <th>Name:</th>
-          <td><dfn>text-autospace</dfn></td>
-        </tr>
-        <tr>
-          <th>Value:</th>
-          <td>none | [ ideograph-numeric || ideograph-alpha || punctuation ]
-          </td>
-        </tr>
-        <tr>
-          <th>Initial:</th>
-          <td>none</td>
-        </tr>
-        <tr>
-          <th>Applies to:</th>
-          <td>all elements</td>
-        </tr>
-        <tr>
-          <th>Inherited:</th>
-          <td>yes</td>
-        </tr>
-        <tr>
-          <th>Percentages:</th>
-          <td>N/A</td>
-        </tr>
-        <tr>
-          <th>Media:</th>
-          <td>visual</td>
-        </tr>
-        <tr>
-          <th>Computed&#160;value:</th>
-          <td>specified value</td>
-        </tr>
-      </tbody>
-    </table>
-
-    <p>When a run of non-ideographic or numeric characters appears inside of
-      ideographic text, a certain amount of space is often preferred on both sides
-      of the non-ideographic text to separate it from the surrounding ideographic
-      glyphs. This property controls the creation of that space when rendering the
-      text. That added width does not correspond to the insertion of additional
-      space characters, but instead to the width increment of existing glyphs.
-
-    <p>(A commonly used algorithm for determining this behavior is specified in
-      [[JLREQ]].)
-
-    <p>This property is additive with the <span class="property"><a
-      href="#word-spacing">'word-spacing'</a></span> and <span class="property"><a
-      href="#letter-spacing">'letter-spacing'</a></span> [[!CSS21]] properties.
-      That is, the amount of spacing
-      contributed by the 'letter-spacing' setting (if any) is added to the spacing
-      created by <span class="property"><a
-      href="#text-autospace">'text-autospace'</a></span>. The same applies to <span
-      class="property"><a href="#word-spacing">'word-spacing'</a></span>.
+    <p>When creating extra spacing, the added width does not correspond to
+      the insertion of additional space characters, but instead to the width
+      increment of existing glyphs.</p>
 
-    <p>The space added can be compressed or expanded during the justification process
-      as specified in the 'text-justify' property.</p>
+    <p>This property is additive with the 'word-spacing' and 'letter-spacing'
+      properties. That is, the amount of spacing contributed by the
+      'letter-spacing' setting (if any) is added to the spacing created by
+      'text-spacing'. The same applies to 'word-spacing'.
 
     <p>This property applies only to the same inline element context,
       and can apply across elements if in the same inline element context.</p>
 
-    <p>Values have the following meanings:</p>
-
-    <dl>
-      <dt><dfn title="text-autospace:none"><code>none</code></dfn></dt>
-        <dd>No extra space is created.</dd>
-      <dt><dfn title="text-autospace:ideograph-numeric"><code>ideograph-numeric</code></dfn></dt>
-        <dd>Creates 1/4em extra spacing between runs of ideographic letters and
-          non-ideographic numeric glyphs.
-        </dd>
-      <dt><dfn title="text-autospace:ideograph-alpha"><code>ideograph-alpha</code></dfn></dt>
-        <dd>Creates 1/4em extra spacing between runs of ideographic letters and
-          non-ideographic letters, such as Latin-based, Cyrillic, Greek, Arabic or Hebrew.
-        </dd>
-      <dt><dfn title="text-autospace:punctuation"><code>punctuation</code></dfn>
-        <dd>Creates extra non-breaking spacing around punctuation as required by
-          language-specific typographic conventions. For example, if the
-          element's content language is French, narrow no-break space (U+202F)
-          and no-break space (U+00A0) should be inserted where required by
-          <a href="http://unicode.org/udhr/n/notes_fra.html">French typographic
-          guidelines</a>.
-    </dl>
-    <p class="issue">It was requested to add a value for doubling the space after
-      periods.</p>
-
     <p>At element boundaries, the font size of the extra spacing
       is given by and rendered within the innermost element that contains the boundary.</p>
 
-    <p>In the context of this property the following definitions apply:</p>
-    <p class="issue">Reviews and feedbacks to the classes/code points are appreciated.</p>
-
-    <dl>
-      <dt><dfn>Ideographic letters</dfn></dt>
-      <dd>
-        <ul>
-          <li>All characters in the range of U+3041 to U+30FF,
-            except that belongs to Unicode Punctuation [P*] category.</li>
-          <li>CJK Strokes (U+31C0 to U+31EF).</li>
-          <li>Katakana Phonetic Extensions (U+31F0 to U+31FF).</li>
-          <li>All characters that belongs to Han Unicode Script Property [[!UAX24]].</li>
-        </ul>
-      </dd>
-      <dt><dfn>Non-ideographic numerals</dfn></dt>
-      <dd>
-        <ul>
-          <li>All characters that belongs to Unicode Number, Decimal Digit [Nd] category.</li>
-          <li>Except any of the following conditions are met:
-            <ul>
-              <li>Is categorized as East Asian Fullwidth (F) by [[!UAX11]].</li>
-              <li>Is upright in vertical text flow using the 'text-orientation' property
-                or the 'text-combine' property.</li>
-            </ul>
-          </li>
-        </ul>
-      </dd>
-      <dt><dfn>Non-ideographic letters</dfn></dt>
-      <dd>
-        <ul>
-          <li>All characters that belongs to Unicode Letters [L*] and Mark [M*] category.</li>
-          <li>Except any of the following conditions are met:
-            <ul>
-              <li>Is defined as Ideographic letters.</li>
-              <li>Is categorized as East Asian Fullwidth (F) by [[!UAX11]].</li>
-              <li>Is upright in vertical text flow using the 'text-orientation' property
-                or the 'text-combine' property.</li>
-            </ul>
-          </li>
-        </ul>
-      </dd>
-    </dl>
-
-    <p>Support for this property is <em>optional</em>. It is recommended
-      for UAs that wish to support CJK typography.</p>
+    <p>Support for this property is <em>optional</em>. It is strongly
+      recommended for UAs that wish to support CJK typography.</p>
 
+    <p class="issue">It was requested to add a value for doubling the space after
+      periods.</p>
 
 <h2 id="edge-effects">
   Edge Effects</h2>
 
   <p>Edge effects control the indentation of lines with respect to other lines
     in the block ('text-indent') and how content is aligned to the start and
-    end edges of a line ('hanging-punctuation', see also 'text-trim').
+    end edges of a line ('hanging-punctuation', see also 'text-spacing').
 
   <div class="example">
     <p>Japanese has three common start-edge typesetting schemes, which are
@@ -3028,19 +2955,19 @@
         <pre>p { /* Flush alignment */
 <!--   -->  margin: 0;
 <!--   -->  text-indent: 1em;
-<!--   -->  text-trim: force-start;
+<!--   -->  text-spacing: trim-start;
 <!--   -->}</pre>
       <li>Brackets preserve fullwidth spacing on all lines (second scheme):
         <pre>p { /* Fullwidth alignment */
 <!--   -->  margin: 0;
 <!--   -->  text-indent: 1em;
-<!--   -->  text-trim: normal;
+<!--   -->  text-spacing: normal;
 <!--   -->}</pre>
       <li>Brackets hang in indent, flush with other lines (third scheme):
         <pre>p { /* Hanging alignment */
 <!--   -->  margin: 0;
 <!--   -->  text-indent: 1em;
-<!--   -->  text-trim: force-start;
+<!--   -->  text-spacing: trim-start;
 <!--   -->  hanging-punctuation: first;
 <!--   -->}</pre>
     </ul>
@@ -4282,8 +4209,7 @@
     'hyphenate-limit-lines',
     'hyphenate-resources'/''@hyphenate-resource'',
     'line-break',
-    'text-autospace',
-    'text-trim',
+    'text-spacing',
     'hanging-punctuation'
 
   <p>Significant details updated:</p>
@@ -4356,10 +4282,6 @@
           <td>Western, South Asian
       <tr><td>'line-break'
           <td>CJK (Japanese)
-      <tr><td>'text-autospace'
-          <td>CJK
-      <tr><td>'text-autospace': ''punctuation''
-          <td>European (French)
       <tr><td>'text-justify': ''inter-cluster''
           <td>Southeast Asian
       <tr><td>'text-justify': ''inter-ideograph'', ''distribute''
@@ -4374,12 +4296,14 @@
           <td>CJK
       <tr><td>'text-emphasis-position'
           <td>CJK
+      <tr><td>'text-spacing'
+          <td>CJK
+      <tr><td>'text-spacing': ''punctuation''
+          <td>European (French)
       <tr><td>'text-transform': ''capitalize'', ''uppercase'', ''lowercase''
           <td>Western
       <tr><td>'text-transform': ''fullwidth'', ''fullsize-kana''
           <td>CJK
-      <tr><td>'text-trim'
-          <td>CJK
       <tr><td>'text-underline-position': ''auto''
           <td>CJK
       <tr><td>'word-break'
Received on Saturday, 16 April 2011 06:16:06 GMT

This archive was generated by hypermail 2.2.0+W3C-0.50 : Saturday, 16 April 2011 06:16:07 GMT