[e] (0) Be clearer about how preparsing handles running out of bytes.

Fixing https://www.w3.org/Bugs/Public/show_bug.cgi?id=21312 Affected topics: HTML Syntax and Parsing git-svn-id: http://svn.whatwg.org/webapps@7848 340c8d12-0b0e-0410-8428-c7bf67bfef74
whatwg · Apr 23, 2013 · d1628e5 · d1628e5
1 parent d9bfbac
commit d1628e5
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Showing 3 changed files with 21 additions and 14 deletions.
diff --git a/complete.html b/complete.html
@@ -248,7 +248,7 @@
 
   <header class=head id=head><p><a class=logo href=http://www.whatwg.org/><img alt=WHATWG height=101 src=/images/logo width=101></a></p>
    <hgroup><h1 class=allcaps>HTML</h1>
-    <h2 class="no-num no-toc">Living Standard &mdash; Last Updated 22 April 2013</h2>
+    <h2 class="no-num no-toc">Living Standard &mdash; Last Updated 23 April 2013</h2>
    </hgroup><dl><dt><strong>Web developer edition:</strong></dt>
     <dd><strong><a href=http://developers.whatwg.org/>http://developers.whatwg.org/</a></strong></dd>
     <dt>Multiple-page version:</dt>
@@ -84426,14 +84426,16 @@ <h5 id=determining-the-character-encoding><span class=secno>12.2.2.1 </span>Dete
 
   <hr><p>When an algorithm requires a user agent to <dfn id=prescan-a-byte-stream-to-determine-its-encoding>prescan a byte stream to determine its
   encoding</dfn>, given some defined <var title="">end condition</var>, then it must run the
-  following steps. These steps either abort unsuccessfully or return a character encoding.</p>
+  following steps. These steps either abort unsuccessfully or return a character encoding. If at any
+  point during these steps (including during instances of the <span>get an attribute</span>
+  algorithm invoked by this one) the user agent either runs out of bytes (meaning the <var title="">position</var> pointer created in the first step below goes beyond the end of the byte
+  stream obtained so far) or reaches its <var title="">end condition</var>, then abort the
+  <a href=#prescan-a-byte-stream-to-determine-its-encoding>prescan a byte stream to determine its encoding</a> algorithm unsuccessfully.</p>
 
   <ol><li>
 
     <p>Let <var title="">position</var> be a pointer to a byte in the input byte stream, initially
-    pointing at the first byte. If at any point during these steps the user agent either runs out of
-    bytes or reaches its <var title="">end condition</var>, then abort the <a href=#prescan-a-byte-stream-to-determine-its-encoding>prescan a byte
-    stream to determine its encoding</a> algorithm unsuccessfully.</p>
+    pointing at the first byte.</p>
 
    </li>
 

diff --git a/index b/index
@@ -248,7 +248,7 @@
 
   <header class=head id=head><p><a class=logo href=http://www.whatwg.org/><img alt=WHATWG height=101 src=/images/logo width=101></a></p>
    <hgroup><h1 class=allcaps>HTML</h1>
-    <h2 class="no-num no-toc">Living Standard &mdash; Last Updated 22 April 2013</h2>
+    <h2 class="no-num no-toc">Living Standard &mdash; Last Updated 23 April 2013</h2>
    </hgroup><dl><dt><strong>Web developer edition:</strong></dt>
     <dd><strong><a href=http://developers.whatwg.org/>http://developers.whatwg.org/</a></strong></dd>
     <dt>Multiple-page version:</dt>
@@ -84426,14 +84426,16 @@ dictionary <dfn id=storageeventinit>StorageEventInit</dfn> : <a href=#eventinit>
 
   <hr><p>When an algorithm requires a user agent to <dfn id=prescan-a-byte-stream-to-determine-its-encoding>prescan a byte stream to determine its
   encoding</dfn>, given some defined <var title="">end condition</var>, then it must run the
-  following steps. These steps either abort unsuccessfully or return a character encoding.</p>
+  following steps. These steps either abort unsuccessfully or return a character encoding. If at any
+  point during these steps (including during instances of the <span>get an attribute</span>
+  algorithm invoked by this one) the user agent either runs out of bytes (meaning the <var title="">position</var> pointer created in the first step below goes beyond the end of the byte
+  stream obtained so far) or reaches its <var title="">end condition</var>, then abort the
+  <a href=#prescan-a-byte-stream-to-determine-its-encoding>prescan a byte stream to determine its encoding</a> algorithm unsuccessfully.</p>
 
   <ol><li>
 
     <p>Let <var title="">position</var> be a pointer to a byte in the input byte stream, initially
-    pointing at the first byte. If at any point during these steps the user agent either runs out of
-    bytes or reaches its <var title="">end condition</var>, then abort the <a href=#prescan-a-byte-stream-to-determine-its-encoding>prescan a byte
-    stream to determine its encoding</a> algorithm unsuccessfully.</p>
+    pointing at the first byte.</p>
 
    </li>
 

diff --git a/source b/source
@@ -94398,16 +94398,19 @@ dictionary <dfn>StorageEventInit</dfn> : <span>EventInit</span> {
 
   <p>When an algorithm requires a user agent to <dfn>prescan a byte stream to determine its
   encoding</dfn>, given some defined <var title="">end condition</var>, then it must run the
-  following steps. These steps either abort unsuccessfully or return a character encoding.</p>
+  following steps. These steps either abort unsuccessfully or return a character encoding. If at any
+  point during these steps (including during instances of the <span>get an attribute</span>
+  algorithm invoked by this one) the user agent either runs out of bytes (meaning the <var
+  title="">position</var> pointer created in the first step below goes beyond the end of the byte
+  stream obtained so far) or reaches its <var title="">end condition</var>, then abort the
+  <span>prescan a byte stream to determine its encoding</span> algorithm unsuccessfully.</p>
 
   <ol>
 
    <li>
 
     <p>Let <var title="">position</var> be a pointer to a byte in the input byte stream, initially
-    pointing at the first byte. If at any point during these steps the user agent either runs out of
-    bytes or reaches its <var title="">end condition</var>, then abort the <span>prescan a byte
-    stream to determine its encoding</span> algorithm unsuccessfully.</p>
+    pointing at the first byte.</p>
 
    </li>