added mxml as file extension alias for xml

Author: mikesamuel

CHANGES.html

@@ -60,8 +60,15 @@ <h2>14 Jul 2008</h2>
     <h2>6 Jan 2009</h2>
     <ul>
       <li>Language handlers for Visual Basic, Haskell, and WikiText</li>
+      <li>Added <tt>.mxml</tt> extension to the markup style handler for
+	Flex <a href="http://en.wikipedia.org/wiki/MXML">MXML files</a>.  See
+        <a
+        href="http://code.google.com/p/google-code-prettify/issues/detail?id=37"
+        >issue 37</a>.
       <li>Added <tt>.m</tt> extension to the C style handler so that Objective
-        C source files properly highlight.  See <a href="http://code.google.com/p/google-code-prettify/issues/detail?id=58"
+        C source files properly highlight.  See
+        <a
+        href="http://code.google.com/p/google-code-prettify/issues/detail?id=58"
        >issue 58</a>.
     </ul>
   </body>

README.html

@@ -99,9 +99,9 @@ <h3>How do I specify which language my code is in?</h3>
 >&lt;pre class=&quot;prettyprint <b>lang-html</b>&quot;&gt;
   The lang-* class specifies the language file extensions.
   File extensions supported by default include
-    "c", "cc", "cpp", "cs", "cyc", "java", "bsh", "csh", "sh",
-    "cv", "m", "py", "perl", "pl", "pm", "rb", "js",
-    "html", "html", "xhtml", "xml", "xsl".
+    "bsh", "c", "cc", "cpp", "cs", "csh", "cyc", "cv", "htm", "html",
+    "java", "js", "m", "mxml", "perl", "pl", "pm", "py", "rb", "sh",
+    "xhtml", "xml", "xsl".
 &lt;/pre&gt;</pre>
 
     <h3>It doesn't work on <tt>&lt;obfuscated code sample&gt;</tt>?</h3>

src/prettify.js

@@ -1093,8 +1093,9 @@ function _pr_isIE6() {
     }
   }
   registerLangHandler(decorateSource, ['default-code']);
-  registerLangHandler(decorateMarkup,
-                      ['default-markup', 'html', 'htm', 'xhtml', 'xml', 'xsl']);
+  registerLangHandler(
+      decorateMarkup,
+      ['default-markup', 'htm', 'html', 'mxml', 'xhtml', 'xml', 'xsl']);
   registerLangHandler(sourceDecorator({
           keywords: CPP_KEYWORDS,
           hashComments: true,