Bug 123090, give Mozilla the capability to be registered as the default handler for XHTML documents on Windows. r=law, sr=alecf.

suite/common/pref/pref-winhooks.js

@@ -43,6 +43,7 @@ if ( !( "winHooks" in parent ) ) {
                                  "isHandlingBMP",
                                  "isHandlingICO",
                                  "isHandlingXML",
+                                 "isHandlingXHTML",
                                  "isHandlingXUL",
                                  "isHandlingHTTP",
                                  "isHandlingHTTPS",

suite/common/pref/pref-winhooks.xul

@@ -99,6 +99,13 @@
                     </treecell>
                 </treerow>
             </treeitem>
+            <treeitem>
+                <treerow>
+                    <treecell>
+                        <checkbox id="isHandlingXHTML" label="&xhtml.label;" accesskey="&xhtml.accesskey;" allowevents="true"/>
+                    </treecell>
+                </treerow>
+            </treeitem>
             <treeitem>
                 <treerow>
                     <treecell>

suite/locales/en-US/chrome/common/pref/pref-winhooks.dtd

@@ -21,6 +21,8 @@
 <!ENTITY ico.accesskey   "I">
 <!ENTITY xml.label       "XML documents">
 <!ENTITY xml.accesskey   "X">
+<!ENTITY xhtml.label     "XHTML documents">
+<!ENTITY xhtml.accesskey "T">
 <!ENTITY xul.label       "XUL documents">
 <!ENTITY xul.accesskey   "U">