Improve help file formatting for options with long default values.

--HG--
extra : rebase_source : 812cf6121ac5fbf7fb7d6871394c093fe65edcad

common/locale/en-US/options.xml

@@ -328,6 +328,7 @@
 <item>
     <tags>'act' 'activate'</tags>
     <spec>'activate' 'act'</spec>
+    <strut/>
     <type>stringlist</type>
     <default>addons,bookmarks,diverted,downloads,extoptions,
           help,homepage,quickmark,tabopen,paste</default>
@@ -853,6 +854,7 @@
 <item>
     <tags>'ht' 'hinttags'</tags>
     <spec>'hinttags' 'ht'</spec>
+    <strut/>
     <type>string</type>
     <default>&hinttags;</default>
     <description>
@@ -1061,6 +1063,7 @@
 <item>
     <tags>'nextpattern'</tags>
     <spec>'nextpattern'</spec>
+    <strut/>
     <type>stringlist</type>
     <default>'\bnext',^>$,'^(>>|»)$','^(>|»)','(>|»)$','\bmore\b'</default>
     <description>
@@ -1164,6 +1167,7 @@
 <item>
     <tags>'previouspattern'</tags>
     <spec>'previouspattern'</spec>
+    <strut/>
     <type>stringlist</type>
     <default><![CDATA['\bprev|previous\b',^<$,'^(<<|«)$','^(<|«)','(<|«)$']]></default>
     <description>
@@ -1463,6 +1467,7 @@
 <item>
     <tags>'wia' 'wildanchor'</tags>
     <spec>'wildanchor' 'wia'</spec>
+    <strut/>
     <type>regexplist</type>
     <default>!'/ex/(back|buffer|ext|forward|help|undo)'</default>
     <description>