* Re: [Emacs-diffs] emacs-25 f785ff4: Clarify documentation of before/after-change-functions
[not found] ` <20160809165416.A7F9A220165@vcs.savannah.gnu.org>
@ 2016-08-09 17:59 ` Stefan Monnier
2016-08-09 18:18 ` Eli Zaretskii
0 siblings, 1 reply; 3+ messages in thread
From: Stefan Monnier @ 2016-08-09 17:59 UTC (permalink / raw)
To: emacs-devel; +Cc: Eli Zaretskii
> -This variable holds a list of functions to call before any buffer
> -modification. Each function gets two arguments, the beginning and end
> +This variable holds a list of functions to call before most buffer
> +modifications. Each function gets two arguments, the beginning and end
This looks wrong. It should be called before *every* modification.
syntax-ppss relies on this property, for example.
And I can't think of any reason why we couldn't preserve that property.
In which case is it not run?
Stefan
^ permalink raw reply [flat|nested] 3+ messages in thread* Re: [Emacs-diffs] emacs-25 f785ff4: Clarify documentation of before/after-change-functions
2016-08-09 17:59 ` [Emacs-diffs] emacs-25 f785ff4: Clarify documentation of before/after-change-functions Stefan Monnier
@ 2016-08-09 18:18 ` Eli Zaretskii
2016-08-09 19:02 ` Stefan Monnier
0 siblings, 1 reply; 3+ messages in thread
From: Eli Zaretskii @ 2016-08-09 18:18 UTC (permalink / raw)
To: Stefan Monnier; +Cc: emacs-devel
> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Cc: Eli Zaretskii <eliz@gnu.org>
> Date: Tue, 09 Aug 2016 13:59:25 -0400
>
> > -This variable holds a list of functions to call before any buffer
> > -modification. Each function gets two arguments, the beginning and end
> > +This variable holds a list of functions to call before most buffer
> > +modifications. Each function gets two arguments, the beginning and end
>
> This looks wrong. It should be called before *every* modification.
> syntax-ppss relies on this property, for example.
> And I can't think of any reason why we couldn't preserve that property.
>
> In which case is it not run?
In some cases when we delete text. And a few special cases you can
see in coding.c.
^ permalink raw reply [flat|nested] 3+ messages in thread
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[not found] <20160809165416.24861.65995@vcs.savannah.gnu.org>
[not found] ` <20160809165416.A7F9A220165@vcs.savannah.gnu.org>
2016-08-09 17:59 ` [Emacs-diffs] emacs-25 f785ff4: Clarify documentation of before/after-change-functions Stefan Monnier
2016-08-09 18:18 ` Eli Zaretskii
2016-08-09 19:02 ` Stefan Monnier
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