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Re: Possible `point-entered' `point-left' Text Property Bug
From: |
Chong Yidong |
Subject: |
Re: Possible `point-entered' `point-left' Text Property Bug |
Date: |
Fri, 12 May 2006 10:05:37 -0400 |
User-agent: |
Gnus/5.11 (Gnus v5.11) Emacs/22.0.50 (gnu/linux) |
> When executing previous-line and next-line, a situation can arise
> where no "character before point" is found for the point left, whereas
> one exists for the point entered (or vice versa). That's why the
> point-entered/left hooks are called.
>
> That seems like correct behavior to me. At least, more correct than
> the alternative. If the entered/left functions are called in this
> case, they can detect this case and decide to do nothing. But if we
> change the code NOT to call them in this case, and some program wants
> them to be called, there is nothing it can do.
>
> Does this behavior really cause a problem that is hard to work around?
> Or did it just strike people as incorrect?
It struck the bug reporter as incorrect. I don't know any real-life
problem that it causes.
- Re: Possible `point-entered' `point-left' Text Property Bug, Chong Yidong, 2006/05/11
- Re: Possible `point-entered' `point-left' Text Property Bug, Richard Stallman, 2006/05/12
- Re: Possible `point-entered' `point-left' Text Property Bug,
Chong Yidong <=
- Re: Possible `point-entered' `point-left' Text Property Bug, Chong Yidong, 2006/05/12
- Re: Possible `point-entered' `point-left' Text Property Bug, Richard Stallman, 2006/05/13
- Re: Possible `point-entered' `point-left' Text Property Bug, Chong Yidong, 2006/05/13
- Re: Possible `point-entered' `point-left' Text Property Bug, Richard Stallman, 2006/05/14
- Re: Possible `point-entered' `point-left' Text Property Bug, Chong Yidong, 2006/05/14
- Re: Possible `point-entered' `point-left' Text Property Bug, Richard Stallman, 2006/05/15
- Re: Possible `point-entered' `point-left' Text Property Bug, Chong Yidong, 2006/05/15