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Re: Edebug corrupting point in buffers; we need buffer-point and set-buf


From: Stefan Monnier
Subject: Re: Edebug corrupting point in buffers; we need buffer-point and set-buffer-point, perhaps.
Date: Mon, 31 Oct 2022 13:21:57 -0400
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux)

> A few weeks ago, I was attempting to edebug a program which itself
> scanned through a buffer B.  That buffer was also displayed in a window
> (or possibly two windows).  Each time the program went into edebug, the
> point in B got corrupted.

Re-reading this email I now realize that I've seen similar problems
without Edebug.  Maybe we should try and make sure redisplay itself
(rather than, or in addition, I'm not sure) preserves buffer points?


        Stefan




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