test: use grep instead of grep -F

Test if debug flag influences expansion

Turn off debug while expanding We don't need templates like file_add etc. as keywords a file specific. Turning off debug avoids accidental expansion of such templates. As a side effect it speeds up expansion when running hg --debug. Functionality of _ctxnode now in new _substitute function.

Map re.escape

List comprehension instead of loop to create ui template dictionary

String format keyword pattern before compilation

Ignore errors when removing temp dir in kwdemo

Reduce verbosity of kwexpand/kwshrink

Make kwfilelog.cmp test reliable

Use revlog.cmp to avoid checking for rename twice