> Ville> If someone wants to have a look at porting vc-hg.el to XEmacs and
> Ville> replacing mercurial.el in the vc package with ot or look at what
> Ville> would it take, please go ahead. If the switch is going to be
> Ville> made, it'd be better to do it now while the new vc package is in
> Ville> the experimental area rather than later. I may get to it
> Ville> sometime, but that's not a promise and it's not likely to happen
> Ville> any time soon.
> Is there some "institutional knowledge" which tells what common changes to
> look for when porting from GNU Emacs to XEmacs?
Historically, keymaps, GUI features, and extents vs. overlays were the
More recently though we've lagged behind in a lot of areas. I doubt
that vc-hg.el will be using much GNU-specific code that is not in the
VC package, though.
Note that ESR is currently completely refactoring GNU's VC package
(and I mean APIs are being added and are disappearing); people might
want to look at relevant threads on emacs-devel before putting in too
much time on this.
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