Simple removed '.' from the menu text so insert HTML menu item is activated

editor/ui/composer/content/EditorAppShell.xul

@@ -195,7 +195,7 @@
       <menuitem name="Image..." onclick="EditorInsertImage()"/>
       <menuitem name="Horizontal Line" onclick="EditorInsertHLine()"/>
       <menuitem name="Table" onclick="EditorInsertTable()"/>
-      <menuitem name=".HTML Source" onclick="EditorInsertHTML()"/>
+      <menuitem name="HTML Source" onclick="EditorInsertHTML()"/>
       <separator />
       <menuitem name=".Line Break" onclick=""/>
       <menuitem name=".Break Below Image(s)" onclick=""/>