BTW, I forgot one other invisible-frame bug (AFAICT):
-----Original Message-----
Sent: Tuesday, January 18, 2005 8:35 AM
To: Emacs-Devel
Subject: multiple frames with same name on (frame-list) - what is the
cause?
I didn't get any reply on this from help-gnu-emacs. I'm hoping
that someone
here might have some insight on it. Thanks - Drew
----
As far as I know, I am not creating any multiple frames with
the same name.
After a sequence of operations such as `iconify-frame',
`make-frame-invisible', and `make-frame-visible', however, I
somehow end up
with some frames listed multiple times in `(frame-list)'. I'm
not sure of
the exact sequence of such operations that leads to the problem.
Actually, the "duplicate" frames have the same name, but they
are different
frames, as indicated by their hex ids. One of them will have
frame-parameter
`(visible . t)', and the others will have frame-parameter `(visible)'.
Again, all of these frames are listed in `(frame-list)'.
These multiple frames are messing things up when I try, for instance, to
iterate over `(frame-list)'.
Anyone have an idea where the multiple frames on `(frame-list)'
are coming
from? I don't see anything in the various function definitions
or the doc
that would indicate that one of the functions (e.g.
`make-frame-visible' or
`make-frame-invisible') would create a new frame instead of
operating on an
existing frame (its argument).
BTW, the only way that I'm using `make-frame-visible' is through
`frame-configuration-to-register' followed by
`jump-to-register', and these
functions use `current-frame-configuration', which just iterates over
`(frame-list)'.
I see this problem in both Emacs 20.7 and Emacs 21.3.50 (from CVS July
2004).
Thanks,
Drew
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