Make Appendix B informative, add data on orientation and direction

fantasai · fantasai · commit 4dad8f21adf8 · 2012-06-22T17:58:26.000-07:00
diff --git a/css3-writing-modes/Overview.html b/css3-writing-modes/Overview.html
@@ -32,15 +32,15 @@
 
    <h1>CSS Writing Modes Module Level 3</h1>
 
-   <h2 class="no-num no-toc" id=longstatus-date>Editor's Draft 22 June 2012</h2>
+   <h2 class="no-num no-toc" id=longstatus-date>Editor's Draft 23 June 2012</h2>
 
    <dl>
     <dt>This version:
 
     <dd><a
      href="http://dev.w3.org/csswg/css3-writing-modes/">http://dev.w3.org/csswg/css3-writing-modes/</a>
      <!--
-    <dd><a href="http://www.w3.org/TR/2012/WD-css3-writing-modes-20120622/">http://www.w3.org/TR/2012/ED-css3-writing-modes-20120622/</a>
+    <dd><a href="http://www.w3.org/TR/2012/WD-css3-writing-modes-20120623/">http://www.w3.org/TR/2012/ED-css3-writing-modes-20120623/</a>
 -->
      
 
@@ -3614,9 +3614,10 @@ <h3 id=cr-exit-criteria><span class=secno>10.6. </span> CR Exit Criteria</h3>
 
   <h2 class=no-num id=acknowledgements> Acknowledgements</h2>
 
-  <p>John Daggett, Martin Heijdra, Yasuo Kida, Tatsuo Kobayashi, Toshi
-   Kobayashi, Ken Lunde, Nat McCully, Paul Nelson, Kenzou Onozawa, Michel
-   Suignard, Taro Yamamoto, Steve Zilles
+  <p>John Daggett, Martin Heijdra, Laurentiu Iancu, Yasuo Kida, Tatsuo
+   Kobayashi, Toshi Kobayashi, Ken Lunde, Nat McCully, Eric Muller, Paul
+   Nelson, Kenzou Onozawa, Dwayne Robinson, Michel Suignard, Taro Yamamoto,
+   Steve Zilles
 
   <h2 class=no-num id=character-properties>Appendix A. Characters and
    Properties</h2>
@@ -3685,16 +3686,14 @@ <h2 class=no-num id=character-properties>Appendix A. Characters and
   <h2 class=no-num id=script-orientations>Appendix B: Vertical Scripts in
    Unicode</h2>
 
-  <p><em>This section is normative.</em>
+  <p><em>This section is informative.</em>
 
   <p>This appendix lists the vertical and bi-orientational scripts in Unicode
-   6.0 <a href="#UNICODE" rel=biblioentry>[UNICODE]<!--{{!UNICODE}}--></a>.
-   Any script not listed explicitly is assumed to be <i>horizontal-only</i>.
-   The script classification of Unicode characters is given by <a
-   href="#UAX24" rel=biblioentry>[UAX24]<!--{{!UAX24}}--></a>.
-
-  <p class=note>Note that <code>ScriptExtensions.txt</code> is expected to be
-   used.
+   6.0 <a href="#UNICODE" rel=biblioentry>[UNICODE]<!--{{!UNICODE}}--></a>
+   and their transformation from horizontal to vertical orientation. Any
+   script not listed explicitly is assumed to be <i>horizontal-only</i>. The
+   script classification of Unicode characters is given by <a href="#UAX24"
+   rel=biblioentry>[UAX24]<!--{{!UAX24}}--></a>.
 
   <table class=data>
    <caption>Vertical Scripts in Unicode</caption>
@@ -3705,90 +3704,143 @@ <h2 class=no-num id=script-orientations>Appendix B: Vertical Scripts in
 
      <th>Name
 
+     <th>Transform (Clockwise)
+
+     <th>Vertical Intrinsic Direction
+
    <tbody>
     <tr>
      <td>Bopo
 
      <td>Bopomofo
 
-    <tr>
-     <td>Brai
+     <th>0°
 
-     <td>Braille (?)
+     <th>ttb
 
     <tr>
      <td>Egyp
 
      <td>Egyptian Hieroglyphs
 
+     <th>0°
+
+     <th>ttb
+
     <tr>
      <td>Hira
 
      <td>Hiragana
 
+     <th>0°
+
+     <th>ttb
+
     <tr>
      <td>Kana
 
      <td>Katakana
 
+     <th>0°
+
+     <th>ttb
+
     <tr>
      <td>Hani
 
      <td>Han
 
+     <th>0°
+
+     <th>ttb
+
     <tr>
      <td>Hang
 
      <td>Hangul
 
+     <th>0°
+
+     <th>ttb
+
     <tr>
      <td>Merc
 
      <td>Meroitic Cursive
 
+     <th>0°
+
+     <th>ttb
+
     <tr>
      <td>Mero
 
      <td>Meroitic Hieroglyphs
 
+     <th>0°
+
+     <th>ttb
+
     <tr>
      <td>Mong
 
      <td>Mongolian
 
+     <th>90°
+
+     <th>ttb
+
     <tr>
      <td>Ogam
 
      <td>Ogham
 
+     <th>-90°
+
+     <th>btt
+
     <tr>
      <td>Orkh
 
      <td>Old Turkic
 
+     <th>-90°
+
+     <th>ttb
+
     <tr>
      <td>Phag
 
      <td>Phags Pa
 
+     <th>90°
+
+     <th>ttb
+
     <tr>
      <td>Yiii
 
      <td>Yi
+
+     <th>0°
+
+     <th>ttb
   </table>
 
   <p><strong>Exceptions:</strong> For the purposes of this specification, all
    fullwidth (F) and wide (W) characters are treated as belonging to a
-   vertical script. <a href="#UAX11"
+   vertical script, and halfwidth characters (H) are treated as belonging ot
+   a horizontal script. <a href="#UAX11"
    rel=biblioentry>[UAX11]<!--{{!UAX11}}--></a>
 
-  <p class=note>For the purposes of this specification, any bottom-to-top
-   scripts will be treated as horizontal-only. A future version of CSS may
-   define proper handling of bottom-to-top scripts.
+  <p class=note> CSS3 Writing Modes cannot correctly handle either Ogham or
+   Old Turkic. It is recommended that ‘<code class=css>text-orientation:
+   sideways-left</code>’ be used to typeset these scripts. A future version
+   of CSS may define automatic handling of these scripts.
 
-  <p class=note>Note that for vertical-only scripts (Mongolian, Phags Pa),
-   the glyphs in the Unicode code charts are shown in their vertical
-   orientation. In horizontal text, they are typeset in a 90°
+  <p class=note>Note that for vertical-only characters (such as Mongolian and
+   Phags Pa letters), the glyphs in the Unicode code charts are shown in
+   their vertical orientation. In horizontal text, they are typeset in a 90°
    counter-clockwise rotation from this orientation.
 
   <h2 class=no-num id=intrinsic-sizing>Appendix C: Intrinsic Dimensions</h2>
diff --git a/css3-writing-modes/Overview.src.html b/css3-writing-modes/Overview.src.html
@@ -2720,10 +2720,11 @@ <h3 id="cr-exit-criteria">
 <h2 class="no-num" id="acknowledgements">
 Acknowledgements</h2>
 
-<p>John Daggett, Martin Heijdra,
+<p>John Daggett, Martin Heijdra, Laurentiu Iancu,
 Yasuo Kida, Tatsuo Kobayashi, Toshi Kobayashi,
-Ken Lunde, Nat McCully,
-Paul Nelson, Kenzou Onozawa, Michel Suignard, Taro Yamamoto, Steve Zilles</p>
+Ken Lunde, Nat McCully, Eric Muller,
+Paul Nelson, Kenzou Onozawa, Dwayne Robinson,
+Michel Suignard, Taro Yamamoto, Steve Zilles</p>
 
 <h2 id="character-properties" class="no-num">Appendix A.
 Characters and Properties</h2>
@@ -2770,49 +2771,48 @@ <h2 id="character-properties" class="no-num">Appendix A.
 
 <h2 class="no-num" id="script-orientations">Appendix B:
 Vertical Scripts in Unicode</h2>
-  <p><em>This section is normative.</em></p>
+  <p><em>This section is informative.</em></p>
 
   <p>This appendix lists the vertical and bi-orientational scripts in Unicode 6.0
-    [[!UNICODE]]. Any script not listed explicitly is assumed to be
-    <i>horizontal-only</i>. The script classification of Unicode characters is
-    given by [[!UAX24]].
-  <p class=note>Note that <code>ScriptExtensions.txt</code> is expected to be used.
+    [[!UNICODE]] and their transformation from horizontal to vertical orientation.
+    Any script not listed explicitly is assumed to be <i>horizontal-only</i>.
+    The script classification of Unicode characters is given by [[!UAX24]].
 
   <table class="data">
     <caption>Vertical Scripts in Unicode</caption>
     <thead>
-      <tr><th>Code	<th>Name                	
+      <tr><th>Code	<th>Name                	<th>Transform (Clockwise)	<th>Vertical Intrinsic Direction
     </thead>
     <tbody>
-      <tr><td>Bopo	<td>Bopomofo            	
-      <tr><td>Brai	<td>Braille (?)         	
-      <tr><td>Egyp	<td>Egyptian Hieroglyphs	
-      <tr><td>Hira	<td>Hiragana            	
-      <tr><td>Kana	<td>Katakana            	
-      <tr><td>Hani	<td>Han                 	
-      <tr><td>Hang	<td>Hangul              	
-      <tr><td>Merc	<td>Meroitic Cursive    	
-      <tr><td>Mero	<td>Meroitic Hieroglyphs	
-      <tr><td>Mong	<td>Mongolian           	
-      <tr><td>Ogam	<td>Ogham               	
-      <tr><td>Orkh	<td>Old Turkic          	
-      <tr><td>Phag	<td>Phags Pa            	
-      <tr><td>Yiii	<td>Yi                  	
+      <tr><td>Bopo	<td>Bopomofo            	<th>0&deg;  	<th>ttb
+      <tr><td>Egyp	<td>Egyptian Hieroglyphs	<th>0&deg;  	<th>ttb
+      <tr><td>Hira	<td>Hiragana            	<th>0&deg;  	<th>ttb
+      <tr><td>Kana	<td>Katakana            	<th>0&deg;  	<th>ttb
+      <tr><td>Hani	<td>Han                 	<th>0&deg;  	<th>ttb
+      <tr><td>Hang	<td>Hangul              	<th>0&deg;  	<th>ttb
+      <tr><td>Merc	<td>Meroitic Cursive    	<th>0&deg;  	<th>ttb
+      <tr><td>Mero	<td>Meroitic Hieroglyphs	<th>0&deg;  	<th>ttb
+      <tr><td>Mong	<td>Mongolian           	<th>90&deg; 	<th>ttb
+      <tr><td>Ogam	<td>Ogham               	<th>-90&deg;	<th>btt
+      <tr><td>Orkh	<td>Old Turkic          	<th>-90&deg;	<th>ttb
+      <tr><td>Phag	<td>Phags Pa            	<th>90&deg; 	<th>ttb
+      <tr><td>Yiii	<td>Yi                  	<th>0&deg;  	<th>ttb
     </tbody>
   </table>
 
   <p><strong>Exceptions:</strong>
     For the purposes of this specification, all fullwidth (F) and wide (W) characters
-    are treated as belonging to a vertical script.
+    are treated as belonging to a vertical script,
+    and halfwidth characters (H) are treated as belonging ot a horizontal script.
     [[!UAX11]]
 
-  <p class="note">For the purposes of this specification, any bottom-to-top
-    scripts will be treated as horizontal-only. A future
-    version of CSS may define proper handling of bottom-to-top scripts.
+  <p class="note">
+    CSS3 Writing Modes cannot correctly handle either Ogham or Old Turkic.
+    It is recommended that ''text-orientation: sideways-left'' be used to typeset these scripts.
+    A future version of CSS may define automatic handling of these scripts.
 
-  <p class="note">Note that for vertical-only scripts (Mongolian, Phags Pa),
-    the glyphs in the Unicode code charts are shown in their vertical
-    orientation.
+  <p class="note">Note that for vertical-only characters (such as Mongolian and Phags Pa letters),
+    the glyphs in the Unicode code charts are shown in their vertical orientation.
     In horizontal text, they are typeset in a 90&deg; counter-clockwise
     rotation from this orientation.
 
