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html5/spec Overview.html,1.3637,1.3638

From: Ian Hickson via cvs-syncmail <cvsmail@w3.org>
Date: Sun, 10 Jan 2010 13:55:37 +0000
To: public-html-commits@w3.org
Message-Id: <E1NTyGX-00022Z-Hm@lionel-hutz.w3.org>
Update of /sources/public/html5/spec
In directory hutz:/tmp/cvs-serv7802

Modified Files:
	Overview.html 
Log Message:
Discourage also auto-generating alt text from other sources that the browsers also have access to. (whatwg r4558)

Index: Overview.html
===================================================================
RCS file: /sources/public/html5/spec/Overview.html,v
retrieving revision 1.3637
retrieving revision 1.3638
diff -u -d -r1.3637 -r1.3638
--- Overview.html	10 Jan 2010 11:46:27 -0000	1.3637
+++ Overview.html	10 Jan 2010 13:55:34 -0000	1.3638
@@ -16618,7 +16618,16 @@
   content.</p>
 
   <p>Markup generators should generally avoid using the image's own
-  file name as the alternative text.</p>
+  file name as the alternative text. Similarly, markup generators
+  should avoid generating alternative text from any content that will
+  be equally available to presentation user agents (e.g. Web
+  browsers).</p>
+
+  <p class="note">This is because once a page is generated, it will
+  typically not be updated, whereas the browsers that later read the
+  page can be updated by the user, therefore the browser is likely to
+  have more up-to-date and finely-tuned heuristics than the markup
+  generator did when generating the page.</p>
 
   </div><div class="impl">
 
Received on Sunday, 10 January 2010 13:55:38 GMT

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