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From: Eli Zaretskii <eliz@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: New function for gdb-ui.el?
Date: Wed, 26 Oct 2005 08:43:01 +0200
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> From: "Richard M. Stallman" <rms@gnu.org>
> Date: Tue, 25 Oct 2005 16:27:06 -0400
> Cc: ich@frank-schmitt.net, emacs-devel@gnu.org
> 
>      > To move to another file usually means moving to another frame, and
>      > that's not the job of `until'.   This command should refuse
>      > to move to another frame.
> 
>     Yes, you're right.
> 
> Actually, now I am not sure what I said is true.  Maybe `until' just
> sets a temporary breakpoint and continues.  If so, it would actually
> "work" even if you specify a line in a different function.

If you give `until' an argument, it does set a temporary breakpoint,
but when it breaks, GDB checks that it is in the same frame as where
the `until' command was given, and if it isn't, it doesn't stop the
program.