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bug#2138: 23.0.60; --daemon and ediff-window-setup-function
From: |
Dan Nicolaescu |
Subject: |
bug#2138: 23.0.60; --daemon and ediff-window-setup-function |
Date: |
Sun, 1 Feb 2009 06:50:11 -0800 (PST) |
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
> 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.