mercurial.spec: Alignment with AIX spec by Jim Hague
* Require Python 2.4 or later
* Note that hgk uses tk - but don't require it
* Remove bashism to support ksh
* Install mq.el
* Handle uncompressed man pages
adding file
% create a second head
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
created new head
% failing merge
0 files updated, 0 files merged, 0 files removed, 1 files unresolved
use 'hg resolve' to retry unresolved file merges or 'hg update -C' to abandon
% resolve -l, should be empty