Re: adding new modes [was: Re: ruby-mode]

[Dan Nicolaescu]

Richard Stallman <address@hidden> writes:

  >     Also some more vc back-ends would be good: vc-hg, vc-git, and maybe 
vc-p4.el
  > 
  > Are these version control systems free?
  > If so we would like to support them.
  > We do not want to support non-free systems
  > (except SCCS, which is ok since it is obsolete and
  > we have a free emulator for it).

hg (aka mercurial), git and bzr are all free software.