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bug#2138: 23.0.60; --daemon and ediff-window-setup-function
From: |
Stephen Berman |
Subject: |
bug#2138: 23.0.60; --daemon and ediff-window-setup-function |
Date: |
Sun, 01 Feb 2009 16:30:54 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/23.0.60 (gnu/linux) |
On Sun, 1 Feb 2009 06:50:11 -0800 (PST) Dan Nicolaescu <dann@ics.uci.edu> wrote:
> Stephen Berman <stephen.berman@gmx.net> writes:
>
> > On Sat, 31 Jan 2009 22:05:07 -0800 (PST) Dan Nicolaescu
> <dann@ics.uci.edu> wrote:
> >
> > > Stephen Berman <stephen.berman@gmx.net> writes:
> > >
> > > > Start Emacs like this:
> > > >
> > > > 1. emacs -Q --eval "(require 'ediff)"
> > > > 2. emacsclient -c
> > > > 3. C-h v ediff-window-setup-function
> > > > => ediff-setup-windows-multiframe
> > > >
> > > > Now start Emacs like this:
> > > >
> > > > 1. emacs -Q --daemon --eval "(require 'ediff)"
> > > > 2. emacsclient -c
> > > > 3. C-h v ediff-window-setup-function
> > > > => ediff-setup-windows-plain
> > > >
> > > >
> > > > I haven't tried debugging this, but my first guess is that
> > > > ediff-setup-windows-multiframe requires non-nil window-system but
> (still
> > > > guessing) when there is no frame window-system evaluates to nil.
> > >
> > > You can take --daemon out of this equation, you'd get the same when
> > > doing
> > > emacs -Q and emacs -Q -nw
> >
> > I should have been more explicit about the point of this bug report,
> > which is this: when I invoke `emacsclient -c' under X11, I expect the
> > usual behavior under X11, but in the above case, --daemon apparently
> > circumvents this behavior.
>
> Again, you get the same problem if you do:
> emacs -Q -nw -f server-start --eval "(require 'ediff)"
> emacsclient -c
> M-x ediff
>
> and you have a problem if you do
> emacs -Q -f server-start --eval "(require 'ediff)"
> emacsclient -t
> M-x ediff
Ok, now I see what you meant.
> > I cannot tell from the current documentation when using --daemon has
> > this effect and when it doesn't. Hence I cannot tell whether this is a
> > bug or a limitation of the current implementation. So I hope this and
> > similar bug reports lead to both more complete documentation and either
> > a bug fix or, at some point, a more feature-rich implementation.
>
> Not really, this is not a problem with --daemon, it's a problem in the
> ediff implementation that it evaluates ediff-window-setup-function at
> load time. This is not appropriate anymore now when you can have both
> X11 and tty frames in the same emacs session.
Yes, I too now see this is an ediff bug. Thanks for the response!
Steve Berman