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Re: Window configuration UI

From: Michael Sperber
Subject: Re: Window configuration UI
Date: Sat, 29 Mar 2008 17:27:02 +0100
User-agent: Gnus/5.110007 (No Gnus v0.7) XEmacs/21.5-b28 (darwin)

Stefan Monnier <address@hidden> writes:

>> It would be interesting to try replacing the current
>> window-configuration code with winsav.el, to see if it is fast enough.
>> It seems to me that `winsav-get-window-tree' could be made a lot
>> faster, especially by writing it in C.  But I don't know if it needs
>> to be any faster.
> It doesn't seem to be noticeably slow.  But it does not provide a 100%
> replacement for the window-configuration functions (mostly because of
> the issue of preserving window-identity vs. creating new windows).
> Not sure how important it is.  IIUC XEmacs has switched to such an
> Elisp-only implementation of window-configurations so they probably know
> more about the impact of this incompatibility.

There wasn't a noticeable performance impact, but a small number of
packages (used to) depend on preservation of window identity.  Most
recently, ECB broke on XEmacs 21.5 because of this, but we've since
worked out a fix that I expect to apply shortly.

Cheers =8-} Mike
Friede, Völkerverständigung und überhaupt blabla

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