[PATCH 1 of 2] filemerge: add $revbase and $revother substitutions in merge tool arguments

[vitalif at yourcmc.ru]

On Fri, 13 Jul 2012 13:41:52 +0200, Adrian Buehlmann wrote:
> you put int's into the dict.

OK, what's about the updated patch I've just sent?

> Another question is, if it is really a good idea to put revision
> numbers in there.

I think yes, because merges are local and integer revision numbers are 
far more convenient for local usage.