Whitespace fixes.

--HG--
extra : rebase_source : 8668ae131079523322e32f068e1b48bea64b4f72

common/locale/en-US/repeat.xml

@@ -123,7 +123,7 @@
             else is interpreted as Ex commands. In normal cases, any errors
             generated by the execution or non-existence of <a>file</a> are
             printed to the <t>command-line</t> area.  When <oa>!</oa> is
-            provided, these are suppressed. 
+            provided, these are suppressed.
         </p>
 
         <p>
@@ -140,7 +140,7 @@
             page and every chrome document, including all browser windows and
             dialogs. If the same file is sourced more than once, its previous
             rules are cleared before it is applied again. Rules can be
-            restricted to specific documents by enclosing them 
+            restricted to specific documents by enclosing them
             <link topic="https://developer.mozilla.org/en/CSS/@-moz-document">@-moz-document</link>
             blocks.
         </p>