W3C home > Mailing lists > Public > public-html-commits@w3.org > June 2009

html5/spec Overview.html,1.2345,1.2346

From: Ian Hickson via cvs-syncmail <cvsmail@w3.org>
Date: Fri, 05 Jun 2009 01:24:04 +0000
To: public-html-commits@w3.org
Message-Id: <E1MCOA9-0003aw-10@lionel-hutz.w3.org>
Update of /sources/public/html5/spec
In directory hutz:/tmp/cvs-serv13782

Modified Files:
	Overview.html 
Log Message:
Correct the algorithm for <textarea> dimensions. (credit: ov) (whatwg r3193)

Index: Overview.html
===================================================================
RCS file: /sources/public/html5/spec/Overview.html,v
retrieving revision 1.2345
retrieving revision 1.2346
diff -u -d -r1.2345 -r1.2346
--- Overview.html	4 Jun 2009 23:42:59 -0000	1.2345
+++ Overview.html	5 Jun 2009 01:24:01 -0000	1.2346
@@ -152,7 +152,7 @@
    <h2 class="no-num no-toc" id="a-vocabulary-and-associated-apis-for-html-and-xhtml">A vocabulary and associated APIs for HTML and XHTML</h2>
    <!--ZZZ:-->
    <!--<h2 class="no-num no-toc">W3C Working Draft 23 April 2009</h2>-->
-   <h2 class="no-num no-toc" id="editor-s-draft-date-1-january-1970">Editor's Draft 4 June 2009</h2>
+   <h2 class="no-num no-toc" id="editor-s-draft-date-1-january-1970">Editor's Draft 5 June 2009</h2>
    <!--:ZZZ-->
    <dl><!-- ZZZ: update the month/day (twice), (un)comment out
     <dt>This Version:</dt>
@@ -245,7 +245,7 @@
   track.
   <!--ZZZ:-->
   <!--This specification is the 23 April 2009 Working Draft.-->
-  This specification is the 4 June 2009 Editor's Draft.
+  This specification is the 5 June 2009 Editor's Draft.
   <!--:ZZZ-->
   </p><!-- UNDER NO CIRCUMSTANCES IS THE PRECEDING PARAGRAPH TO BE REMOVED OR EDITED WITHOUT TALKING TO IAN FIRST --><!-- relationship to other work (required) --><p>This specification is also being produced by the <a href="http://www.whatwg.org/">WHATWG</a>. The two specifications are
   identical from the table of contents onwards.</p><!-- UNDER NO CIRCUMSTANCES IS THE FOLLOWING PARAGRAPH TO BE REMOVED OR EDITED WITHOUT TALKING TO IAN FIRST --><!-- UNDER NO CIRCUMSTANCES IS THE PRECEDING PARAGRAPH TO BE REMOVED OR EDITED WITHOUT TALKING TO IAN FIRST --><!-- context and rationale (required) --><p>This specification is intended to replace (be a new version of)
@@ -63082,14 +63082,6 @@
   implement any relevant animations, etc, that are appropriate for the
   platform. <a href="#references">[CSSUI]</a></p>
 
-  <hr><p>The <dfn id="converting-a-character-width-to-pixels">converting a character width to pixels</dfn> algorithm,
-  used by some of the bindings below, returns <span>(<var title="">size-1</var>)&times;<var title="">avg</var>&nbsp;+&nbsp;<var title="">max</var></span>, where
-  <var title="">size</var> is the character width to convert, <var title="">avg</var> is the average character width of the primary
-  font for the element for which the algorithm is being run, in
-  pixels, and <var title="">max</var> is the maximum character width
-  of that same font, also in pixels. (The element's 'letter-spacing'
-  property does not affect the result.)</p>
-
 
 
   <h4 id="the-bb-element-0"><span class="secno">11.4.2 </span>The <code><a href="#the-bb-element">bb</a></code> element</h4>
@@ -63195,6 +63187,14 @@
   from applying the <a href="#converting-a-character-width-to-pixels">converting a character width to
   pixels</a> algorithm to the number 20.</p>
 
+  <p>The <dfn id="converting-a-character-width-to-pixels">converting a character width to pixels</dfn> algorithm
+  returns <span>(<var title="">size</var>-1)&times;<var title="">avg</var>&nbsp;+&nbsp;<var title="">max</var></span>, where
+  <var title="">size</var> is the character width to convert, <var title="">avg</var> is the average character width of the primary
+  font for the element for which the algorithm is being run, in
+  pixels, and <var title="">max</var> is the maximum character width
+  of that same font, also in pixels. (The element's 'letter-spacing'
+  property does not affect the result.)</p>
+
 
 
   <h4 id="the-input-element-as-domain-specific-widgets"><span class="secno">11.4.7 </span>The <code><a href="#the-input-element">input</a></code> element as domain-specific widgets</h4>
@@ -63641,17 +63641,33 @@
   attribute, and parsing that attribute's value using the <a href="#rules-for-parsing-non-negative-integers">rules
   for parsing non-negative integers</a> doesn't generate an error,
   then the user agent is expected to use the attribute as a <a href="#presentational-hints" title="presentational hints">presentational hint</a> for the
-  'width' property on the element, with the value obtained from
-  applying the <a href="#converting-a-character-width-to-pixels">converting a character width to pixels</a>
-  algorithm to the value of the attribute and then adding the width of
-  a scroll bar.</p>
+  'width' property on the element, with the value being the
+  <a href="#textarea-effective-width">textarea effective width</a> (as defined below). Otherwise,
+  the user agent is expected to act as if it had a user-agent-level
+  style sheet rule setting the 'width' property on the element to the
+  <a href="#textarea-effective-width">textarea effective width</a>.</p>
+
+  <p>The <dfn id="textarea-effective-width">textarea effective width</dfn> of a
+  <code><a href="#the-textarea-element">textarea</a></code> element is <span><var title="">size</var>&times;<var title="">avg</var>&nbsp;+&nbsp;<var title="">sbw</var></span>, where <var title="">size</var> is the
+  element's <a href="#attr-textarea-cols-value" title="attr-textarea-cols-value">character
+  width</a>, <var title="">avg</var> is the average character width
+  of the primary font of the element, in CSS pixels, and <var title="">sbw</var> is the width of a scroll bar, in CSS pixels. (The
+  element's 'letter-spacing' property does not affect the result.)</p>
 
   <p>If the element has a <code title="attr-textarea-rows"><a href="#attr-textarea-rows">rows</a></code>
   attribute, and parsing that attribute's value using the <a href="#rules-for-parsing-non-negative-integers">rules
   for parsing non-negative integers</a> doesn't generate an error,
   then the user agent is expected to use the attribute as a <a href="#presentational-hints" title="presentational hints">presentational hint</a> for the
-  'height' property on the element, with the value being the specified
-  number of lines, plus the height of a scrollbar.</p>
+  'height' property on the element, with the value being the
+  <a href="#textarea-effective-height">textarea effective height</a> (as defined
+  below). Otherwise, the user agent is expected to act as if it had a
+  user-agent-level style sheet rule setting the 'height' property on
+  the element to the <a href="#textarea-effective-height">textarea effective height</a>.</p>
+
+  <p>The <dfn id="textarea-effective-height">textarea effective height</dfn> of a
+  <code><a href="#the-textarea-element">textarea</a></code> element is the height in CSS pixels of the
+  number of lines specified the element's <a href="#attr-textarea-rows-value" title="attr-textarea-rows-value">character height</a>, plus the
+  height of a scrollbar in CSS pixels.</p>
 
   <p>For historical reasons, if the element has a <code title="attr-textarea-wrap"><a href="#attr-textarea-wrap">wrap</a></code> attribute whose value is an
   <a href="#ascii-case-insensitive">ASCII case-insensitive</a> match for the string "<code title="attr-textarea-wrap-off">off</code>", then the user agent is
Received on Friday, 5 June 2009 01:24:12 GMT

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