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html5/spec Overview.html,1.1146,1.1147

From: Ian Hickson via cvs-syncmail <cvsmail@w3.org>
Date: Wed, 30 Jul 2008 02:24:09 +0000
To: public-html-commits@w3.org
Message-Id: <E1KO1MH-0002vz-FU@lionel-hutz.w3.org>

Update of /sources/public/html5/spec
In directory hutz:/tmp/cvs-serv11242

Modified Files:
	Overview.html 
Log Message:
Cleanup around <img> requirements. Disallow scripts to run in <img> images. (whatwg r1956)

Index: Overview.html
===================================================================
RCS file: /sources/public/html5/spec/Overview.html,v
retrieving revision 1.1146
retrieving revision 1.1147
diff -u -d -r1.1146 -r1.1147
--- Overview.html	30 Jul 2008 02:19:26 -0000	1.1146
+++ Overview.html	30 Jul 2008 02:24:06 -0000	1.1147
@@ -15507,16 +15507,17 @@
    href="#img">img</a></code> element's <a href="#fallback">fallback
    content</a>.
 
-  <p><strong>Authoring requirements</strong>: The <code title=attr-img-src><a
-   href="#src">src</a></code> attribute must be present, and must contain a
-   <a href="#valid">valid URL</a>. The requirements on the <code
-   title=attr-img-alt><a href="#alt0">alt</a></code> attribute's value are
-   described <a href="#alt">in the next section</a>.
+  <p>The <code title=attr-img-src><a href="#src">src</a></code> attribute
+   must be present, and must contain a <a href="#valid">valid URL</a>.
 
   <p class=big-issue>Should we restrict the URL to pointing to an image?
    What's an image? Is PDF an image? (Safari supports PDFs in &lt;img>
    elements.) How about SVG? (Opera supports those). WMFs? XPMs? HTML?
 
+  <p>The requirements on the <code title=attr-img-alt><a
+   href="#alt0">alt</a></code> attribute's value are described <a
+   href="#alt">in the next section</a>.
+
   <p class=big-issue>There has been some suggestion that the <code
    title="">longdesc</code> attribute from HTML4, or some other mechanism
    that is more powerful than <code title="">alt=""</code>, should be
@@ -15529,11 +15530,10 @@
 
   <hr>
 
-  <p><strong>User agent requirements</strong>: When the <code
-   title=attr-img-alt><a href="#alt0">alt</a></code> attribute is present and
-   its value is the empty string, the image supplements the surrounding
-   content. In such cases, the image may be omitted without affecting the
-   meaning of the document.
+  <p>When the <code title=attr-img-alt><a href="#alt0">alt</a></code>
+   attribute is present and its value is the empty string, the image
+   supplements the surrounding content. In such cases, the image may be
+   omitted in the rendering without affecting the meaning of the document.
 
   <p>When the <code title=attr-img-alt><a href="#alt0">alt</a></code>
    attribute is present and its value is not the empty string, the image is a
@@ -15558,6 +15558,13 @@
    <code title=attr-img-alt><a href="#alt0">alt</a></code> attribute, if any,
    or nothing, if that attribute is empty or absent.
 
+  <p>When the <code title=attr-img-src><a href="#src">src</a></code>
+   attribute is present, the element represents the image given by that
+   attribute.
+
+  <p>The contents of <code><a href="#img">img</a></code> elements, if any,
+   are ignored for the purposes of rendering.
+
   <hr>
 
   <p>When an <code><a href="#img">img</a></code> is created with a <code
@@ -15597,7 +15604,8 @@
   <p class=note>This allows servers to return images with error responses.
 
   <p>User agents must not support non-image resources with the <code><a
-   href="#img">img</a></code> element.
+   href="#img">img</a></code> element. User agents must not run executable
+   code (e.g. scripts) embedded in the image resource.
 
   <hr>
 
@@ -15620,9 +15628,7 @@
    title=attr-hyperlink-href><a href="#href6">href</a></code> attribute.
 
   <p>The <code><a href="#img">img</a></code> element supports <a
-   href="#dimension0">dimension attributes</a>.</p>
-  <!-- XXX contents of <img> should be ignored for rendering but not
-  for semantics, e.g. <script>, <input>, etc. -->
+   href="#dimension0">dimension attributes</a>.
 
   <p>The DOM attributes <dfn id=alt1
    title=dom-img-alt><code>alt</code></dfn>, <dfn id=src0
Received on Wednesday, 30 July 2008 02:24:42 GMT

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