Omit hook test; return w/o explicit value (==False)

No clumsy setting of node in kwfilelog.add, pass as kwarg

Expansion entirely in kwfilectx.expand()

Implement custom keyword map templates in hgrc More expensive than hardcoded keywords. But, of course, more flexible. ATM templates can only be set in hgrc, and perhaps this is enough.

Indentation cosmetics

Clean keyword arg assignment in kwfilelog.add; rename utc() to utcdate()

Init context.filectx only once per file with class kwfilectx This way context.filectx is not initialized for every keyword match.