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From: | Paul Eggert |
Subject: | Re: ptrdiff_t misuse [was :Re: (empty)] |
Date: | Sat, 30 Jun 2012 02:13:36 -0500 |
User-agent: | Mozilla/5.0 (X11; Linux i686; rv:13.0) Gecko/20120615 Thunderbird/13.0.1 |
On 06/29/2012 12:07 PM, Stefan Monnier
wrote:
if someone ever bumps into a problem because of such an overflow, I'll be *super* happy, because it means that all the performance problems we get with long lines have been fixed. No, if the overflow happens to generate a small integer, Emacs will run quickly and incorrectly without the patch in question. Perhaps there's a better fix, and certainly that area of the code needs changing if hscroll is changed to 'int' as suggested; but some fix is needed. |
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