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2478Guidance on writing alt='' text for markup generators.2008-11-29 22:57
Index: source
--- source	(revision 2477)
+++ source	(revision 2478)
@@ -16358,8 +16358,27 @@
+  <h6>Guidance for markup generators</h6>
+  <p>Markup generators (such as WYSIWYG authoring tools) should,
+  wherever possible, obtain alternative text from their
+  users. However, it is recognised that in many cases, this will not
+  be possible.</p>
+  <p>As a last resort, implementors should either set the <code
+  title="attr-img-alt">alt</code> attribute to the empty string, under
+  the assumption that the image is a purely decorative image that
+  doesn't add any information but is still specific to the surrounding
+  content, or omit the <code title="attr-img-alt">alt</code> attribute
+  altogther, under the assumption that the image is a key part of the
+  content.</p>
+  <p>Markup generators should generally avoid using the image's file
+  name as the alternative text.</p>
   <h4>The <dfn><code>iframe</code></dfn> element</h4>
   <dl class="element">