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mike: alt-techniques update from Steven Faulkner

From: poot <cvsmail@w3.org>
Date: Mon, 8 Mar 2010 16:21:16 +0900 (JST)
To: public-html-diffs@w3.org
Message-Id: <20100308072117.110242BC91@toro.w3.mag.keio.ac.jp>
mike: alt-techniques update from Steven Faulkner

http://dev.w3.org/cvsweb/html5/alt-techniques/Overview.html?r1=1.3&r2=1.4&f=h

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RCS file: /sources/public/html5/alt-techniques/Overview.html,v
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retrieving revision 1.4
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--- Overview.html	1 Mar 2010 15:24:58 -0000	1.3
+++ Overview.html	8 Mar 2010 07:20:53 -0000	1.4
@@ -1,755 +1,780 @@
-<!DOCTYPE HTML>
-<html lang="en-US"><head><title>HTML5: Techniques for the provision of text alternatives</title><style type="text/css">
-   pre { margin-left: 2em; white-space: pre-wrap; }
-   h2 { margin: 3em 0 1em 0; }
-   h3 { margin: 2.5em 0 1em 0; }
-   h4 { margin: 2.5em 0 0.75em 0; }
-   h5, h6 { margin: 2.5em 0 1em; }
-   h1 + h2, h1 + h2 + h2 { margin: 0.75em 0 0.75em; }
-   h2 + h3, h3 + h4, h4 + h5, h5 + h6 { margin-top: 0.5em; }
-   p { margin: 1em 0; }
-   hr:not(.top) { display: block; background: none; border: none; padding: 0; margin: 2em 0; height: auto; }
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+  <PRE>&lt;img src="captcha.png" <strong>alt="An audio challenge follows if you cannot view this image."</strong>&gt; 
+&lt;!-- audio CAPTCHA option that allows the user to listen and type the word --&gt;  
+&lt;!-- form that asks a question --&gt;</PRE>
+</div>
+<H4>Further Techniques </H4>
+<UL>
+  <LI><A title="http://www.w3.org/TR/WCAG20-TECHS/G143.html" href="http://www.w3.org/TR/WCAG20-TECHS/G143.html">Providing a text alternative   that describes the purpose of the CAPTCHA</A> W3C Note. </LI>
+  <LI><A title="http://www.w3.org/TR/2007/WD-WCAG20-TECHS-20071211/G144.html" href="http://www.w3.org/TR/2007/WD-WCAG20-TECHS-20071211/G144.html">Ensuring   that the Web Page contains another CAPTCHA serving the same purpose using a   different modality</A> W3C  Note. </LI>
+</UL>
+<p>&nbsp;</p>
+<hr>
+<h2 id="glossary">Glossary</h2>
+<h3>alt text </h3>
+<p>Colloquial term for a text alternative provided  using the <code>alt</code> attribute of an <code>img</code> element.</p>
+<h3>Empty alt attribute or null alt attribute.</h3>
+<p>An alt attribute with no content:</p>
+<pre class="example">&lt;img src=&quot;null.gif&quot; <strong>alt=&quot;&quot;</strong>&gt;</pre>
+
+<h3>Text alternative</h3>
+<p>A programmatically determined <A title="definition: text" href="appendixA.html#textdef">text</A> that is used in place of <A title="definition: non-text content" href="appendixA.html#non-text-contentdef">non-text content</A>, or text that is   used in addition to non-text content and referred to from the <A title="definition: programmatically determined" href="appendixA.html#programmaticallydetermineddef">programmatically   determined</A> text</p>
Received on Monday, 8 March 2010 07:21:45 GMT

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