[giow] (2) Define how to handle <img src='mailto:foo@example.com'>

Fixing http://www.w3.org/Bugs/Public/show_bug.cgi?id=10247

git-svn-id: http://svn.whatwg.org/webapps@5451 340c8d12-0b0e-0410-8428-c7bf67bfef74

complete.html

@@ -6221,6 +6221,18 @@ <h3 id=fetching-resources><span class=secno>2.6 </span>Fetching resources</h3>
     download instead of initiating a new one, then use the results of
     the existing download instead of starting a new one.</p>
 
+    <p>Otherwise, if the resource is identified by an <a href=#absolute-url>absolute
+    URL</a> with a scheme that does not define a mechanism to
+    obtain the resource (e.g. it is a <code title="">mailto:</code>
+    URL) or that the user agent does not support, then act as if the
+    resource was an HTTP 204 No Content response with no other
+    metadata.</p>
+
+    <p>Otherwise, if the resource is identified by the
+    <a href=#url>URL</a> <dfn id=about:blank><code>about:blank</code></dfn>, then the
+    resource is immediately available and consists of the empty
+    string, with no metadata.</p>
+
     <p>Otherwise, at a time convenient to the user and the user agent,
     download (or otherwise obtain) the resource, applying the
     semantics of the relevant specifications (e.g. performing an HTTP
@@ -6237,11 +6249,6 @@ <h3 id=fetching-resources><span class=secno>2.6 </span>Fetching resources</h3>
     explicitly initiated from an <i title="">origin</i>, then <i title="">the origin that initiated the HTTP request</i> is <i title="">origin</i>. Otherwise, this is <i title="">a request from
     a "privacy-sensitive" context</i>. <a href=#refsORIGIN>[ORIGIN]</a></p>
 
-    <p>If the resource is identified by the <a href=#url>URL</a>
-    <dfn id=about:blank><code>about:blank</code></dfn>, then the resource is
-    immediately available and consists of the empty string, with no
-    metadata.</p>
-
    </li>
 
    <li>

index

@@ -6198,6 +6198,18 @@ a.setAttribute('href', 'http://example.com/'); // change the content attribute d
     download instead of initiating a new one, then use the results of
     the existing download instead of starting a new one.</p>
 
+    <p>Otherwise, if the resource is identified by an <a href=#absolute-url>absolute
+    URL</a> with a scheme that does not define a mechanism to
+    obtain the resource (e.g. it is a <code title="">mailto:</code>
+    URL) or that the user agent does not support, then act as if the
+    resource was an HTTP 204 No Content response with no other
+    metadata.</p>
+
+    <p>Otherwise, if the resource is identified by the
+    <a href=#url>URL</a> <dfn id=about:blank><code>about:blank</code></dfn>, then the
+    resource is immediately available and consists of the empty
+    string, with no metadata.</p>
+
     <p>Otherwise, at a time convenient to the user and the user agent,
     download (or otherwise obtain) the resource, applying the
     semantics of the relevant specifications (e.g. performing an HTTP
@@ -6214,11 +6226,6 @@ a.setAttribute('href', 'http://example.com/'); // change the content attribute d
     explicitly initiated from an <i title="">origin</i>, then <i title="">the origin that initiated the HTTP request</i> is <i title="">origin</i>. Otherwise, this is <i title="">a request from
     a "privacy-sensitive" context</i>. <a href=#refsORIGIN>[ORIGIN]</a></p>
 
-    <p>If the resource is identified by the <a href=#url>URL</a>
-    <dfn id=about:blank><code>about:blank</code></dfn>, then the resource is
-    immediately available and consists of the empty string, with no
-    metadata.</p>
-
    </li>
 
    <li>

source

@@ -5845,6 +5845,18 @@ a.setAttribute('href', 'http://example.com/'); // change the content attribute d
     download instead of initiating a new one, then use the results of
     the existing download instead of starting a new one.</p>
 
+    <p>Otherwise, if the resource is identified by an <span>absolute
+    URL</span> with a scheme that does not define a mechanism to
+    obtain the resource (e.g. it is a <code title="">mailto:</code>
+    URL) or that the user agent does not support, then act as if the
+    resource was an HTTP 204 No Content response with no other
+    metadata.</p>
+
+    <p>Otherwise, if the resource is identified by the
+    <span>URL</span> <dfn><code>about:blank</code></dfn>, then the
+    resource is immediately available and consists of the empty
+    string, with no metadata.</p>
+
     <p>Otherwise, at a time convenient to the user and the user agent,
     download (or otherwise obtain) the resource, applying the
     semantics of the relevant specifications (e.g. performing an HTTP
@@ -5866,11 +5878,6 @@ a.setAttribute('href', 'http://example.com/'); // change the content attribute d
     a "privacy-sensitive" context</i>. <a
     href="#refsORIGIN">[ORIGIN]</a></p>
 
-    <p>If the resource is identified by the <span>URL</span>
-    <dfn><code>about:blank</code></dfn>, then the resource is
-    immediately available and consists of the empty string, with no
-    metadata.</p>
-
    </li>
 
    <li>