Fixed numerous XHTML problems that caused validation errors and warnings. Link elements for Atom and RSS feeds had no end tag. <div> block element inside <a> in-line element isn't right and caused rendering problems on Safari. Spurious </div> tag in search forms. Branch entry missing closing </a> tag.

patchbomb: attachment options changed '-a/--attach' send patches as attachment '-i/--inline' sends patches as inline attachment (old behavior of -a/--attach)

patchbomb: consistently use opts.get

patchbomb: fix more line continuations (coding style)

keyword: add test

Add extension for filewise RCS-keyword expansion in working dir - keywords are only expanded working dir, not in change history - completely customizable keywords/expansions based on hg templates - intrusiveness/slowdown can be reduced by specifying precise [keyword] file patterns - can be turned off/on anytime - changesets can be exchanged regardless of remote/local keyword settings

restore branch after rollback (issue 902)

context: fix filectx.parents() bug introduced when editing 180a3eee4b75

merge with crew-stable

Fix copies reporting in log and convert. If copy logged in file revision, we report copy for changeset only if file revisions linkrev points back to the changeset in question or both changeset parents contain different file revisions. This fixes extra copies reported when executable bit was changed for previously copied file.