XE-575 : Various accessibility issues in XWiki.CopyDocument
XE-575 : Various accessibility issues in XWiki.CopyDocument

Fixed XHTML validity issue, improved consistency with the other forms of this kind.

git-svn-id: cf27bad30c6b7316185bdac65b014e8c16cd40b6@25839 f329d543-caf0-0310-9063-dda96c69346f

xwiki/xwiki-enterprise,xwiki/xwiki-enterprise