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Re: narrow-to-defun and mark-defun now work properly for CC Mode.


From: Chong Yidong
Subject: Re: narrow-to-defun and mark-defun now work properly for CC Mode.
Date: Wed, 11 Apr 2007 16:51:12 -0400
User-agent: Gnus/5.11 (Gnus v5.11) Emacs/22.0.97 (gnu/linux)

Alan Mackenzie <address@hidden> writes:

>> - Open xdisp.c
>> - M->
>
>> On my Pentium IV, M-> takes 30 seconds to complete.
>
> I have a 1.2 GHz Athlon, and for me these operations are instantaneous
> enough.  I start Emacs with -Q.  With C-s method, I don't see any delay
> at all, and M-> takes well under half a second.  I have checked (by doing
> C-x n d) that I have my own latest changes in my Emacs.
>
> One other possibility is that the recipe I gave for rebuilding the
> CC Mode files.elc was erroneous (or you made an error following it),
> and, somehow, one or more of the macros didn't get properly
> compiled.

Aha, that was the problem!  I expected `make recompile' to DTRT, but
this was a mistaken assumption for this case.

After doing a `make bootstrap', the performance problem has
disappeared entirely.  Thanks very much, and sorry for the noise!




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