[html5] r4649 - [e] (0) Try to tweak the alt='' text repair requirements to be acceptable to mor [...]

[whatwg at whatwg.org]

Author: ianh
Date: 2010-02-04 18:03:45 -0800 (Thu, 04 Feb 2010)
New Revision: 4649

Modified:
   complete.html
   index
   source
Log:
[e] (0) Try to tweak the alt='' text repair requirements to be acceptable to more HTMLWG members.

Modified: complete.html
===================================================================
--- complete.html	2010-02-04 06:46:55 UTC (rev 4648)
+++ complete.html	2010-02-05 02:03:45 UTC (rev 4649)
@@ -110,7 +110,7 @@
 
   <header class=head id=head><p><a class=logo href=http://www.whatwg.org/ rel=home><img alt=WHATWG src=/images/logo></a></p>
    <hgroup><h1>Web Applications 1.0</h1>
-    <h2 class="no-num no-toc">Draft Standard — 4 February 2010</h2>
+    <h2 class="no-num no-toc">Draft Standard — 5 February 2010</h2>
    </hgroup><p>You can take part in this work. <a href=http://www.whatwg.org/mailing-list>Join the working group's discussion list.</a></p>
    <p><strong>Web designers!</strong> We have a <a href=http://blog.whatwg.org/faq/>FAQ</a>, a <a href=http://forums.whatwg.org/>forum</a>, and a <a href=http://www.whatwg.org/mailing-list#help>help mailing list</a> for you!</p>
    <!--<p class="impl"><strong>Implementors!</strong> We have a <a href="http://www.whatwg.org/mailing-list#implementors">mailing list</a> for you too!</p>-->
@@ -18462,12 +18462,19 @@
 
   <p>User agents may always provide the user with the option to
   display any image, or to prevent any image from being
-  displayed. User agents may also apply image analysis heuristics to
-  help the user make sense of the image when the user is unable to
-  make direct use of the image, e.g. due to a visual disability or
-  because they are using a text terminal with no graphics
-  capabilities.</p>
+  displayed. User agents may also apply other heuristics to help the
+  user make sense of the image when the user is unable to make direct
+  use of the image, e.g. due to a visual disability or because they
+  are using a text terminal with no graphics capabilities. Such
+  heuristics could include, for instance, optical character
+  recognition (OCR) of text found within the image.</p>
 
+  <p class=warning>While user agents are encouraged to repair cases
+  of missing <code title=attr-img-alt><a href=#attr-img-alt>alt</a></code> attributes, authors
+  must not rely on such behaviour. <a href=#alt>Requirements for
+  providing text to act as an alternative for images are
+  described in detail below.</a></p>
+
   <p>The <em>contents</em> of <code><a href=#the-img-element>img</a></code> elements, if any, are
   ignored for the purposes of rendering.</p>
 

Modified: index
===================================================================
--- index	2010-02-04 06:46:55 UTC (rev 4648)
+++ index	2010-02-05 02:03:45 UTC (rev 4649)
@@ -112,7 +112,7 @@
 
   <header class=head id=head><p><a class=logo href=http://www.whatwg.org/ rel=home><img alt=WHATWG src=/images/logo></a></p>
    <hgroup><h1>HTML5 (including next generation additions still in development)</h1>
-    <h2 class="no-num no-toc">Draft Standard — 4 February 2010</h2>
+    <h2 class="no-num no-toc">Draft Standard — 5 February 2010</h2>
    </hgroup><p>You can take part in this work. <a href=http://www.whatwg.org/mailing-list>Join the working group's discussion list.</a></p>
    <p><strong>Web designers!</strong> We have a <a href=http://blog.whatwg.org/faq/>FAQ</a>, a <a href=http://forums.whatwg.org/>forum</a>, and a <a href=http://www.whatwg.org/mailing-list#help>help mailing list</a> for you!</p>
    <!--<p class="impl"><strong>Implementors!</strong> We have a <a href="http://www.whatwg.org/mailing-list#implementors">mailing list</a> for you too!</p>-->
@@ -18361,12 +18361,19 @@
 
   <p>User agents may always provide the user with the option to
   display any image, or to prevent any image from being
-  displayed. User agents may also apply image analysis heuristics to
-  help the user make sense of the image when the user is unable to
-  make direct use of the image, e.g. due to a visual disability or
-  because they are using a text terminal with no graphics
-  capabilities.</p>
+  displayed. User agents may also apply other heuristics to help the
+  user make sense of the image when the user is unable to make direct
+  use of the image, e.g. due to a visual disability or because they
+  are using a text terminal with no graphics capabilities. Such
+  heuristics could include, for instance, optical character
+  recognition (OCR) of text found within the image.</p>
 
+  <p class=warning>While user agents are encouraged to repair cases
+  of missing <code title=attr-img-alt><a href=#attr-img-alt>alt</a></code> attributes, authors
+  must not rely on such behaviour. <a href=#alt>Requirements for
+  providing text to act as an alternative for images are
+  described in detail below.</a></p>
+
   <p>The <em>contents</em> of <code><a href=#the-img-element>img</a></code> elements, if any, are
   ignored for the purposes of rendering.</p>
 

Modified: source
===================================================================
--- source	2010-02-04 06:46:55 UTC (rev 4648)
+++ source	2010-02-05 02:03:45 UTC (rev 4649)
@@ -19653,12 +19653,19 @@
 
   <p>User agents may always provide the user with the option to
   display any image, or to prevent any image from being
-  displayed. User agents may also apply image analysis heuristics to
-  help the user make sense of the image when the user is unable to
-  make direct use of the image, e.g. due to a visual disability or
-  because they are using a text terminal with no graphics
-  capabilities.</p>
+  displayed. User agents may also apply other heuristics to help the
+  user make sense of the image when the user is unable to make direct
+  use of the image, e.g. due to a visual disability or because they
+  are using a text terminal with no graphics capabilities. Such
+  heuristics could include, for instance, optical character
+  recognition (OCR) of text found within the image.</p>
 
+  <p class="warning">While user agents are encouraged to repair cases
+  of missing <code title="attr-img-alt">alt</code> attributes, authors
+  must not rely on such behaviour. <a href="#alt">Requirements for
+  providing text to act as an alternative for images</span> are
+  described in detail below.</p>
+
   <p>The <em>contents</em> of <code>img</code> elements, if any, are
   ignored for the purposes of rendering.</p>