added clarifying text RE: use of modern techniques in conjunction with longdesc where appropriate
authorMark Sadecki <mark@w3.org>
Sat, 14 Dec 2013 18:41:55 -0500
changeset 74 8d7c0e2d97d4
parent 73 f33a6fab75ed
child 75 145e07b3f468
added clarifying text RE: use of modern techniques in conjunction with longdesc where appropriate
longdesc1/longdesc.html
--- a/longdesc1/longdesc.html	Sat Dec 14 18:09:50 2013 -0500
+++ b/longdesc1/longdesc.html	Sat Dec 14 18:41:55 2013 -0500
@@ -659,6 +659,15 @@
           <p>Best practices for full descriptions of images are beyond the scope
             of this document, but there are many resources available.</p>
         </div>
+        <p>Authors <em class="rfc2119">should</em> not rely solely on longdesc where standards 
+          exist to provide direct, structured access.</p> 
+        <div class="note">
+          <p><em>This section is informative</em></p>
+          <p>For example a MathML version of mathematical content, or an SVG image that 
+            uses the accessibility features of SVG, can provide better accessibility to 
+            users with appropriate technology. In such cases, it is appropriate to use 
+            longdesc as a fallback strategy, in combination with more modern techniques.</p>
+        </div>
         <h4 id="user-agents">3.0.3 User Agents</h4>
         <p>If the <code>longdesc</code> value is valid, User agents <em class="rfc2119">must</em>
           make the link available to all users through the regular user