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From: npostavs@gmail.com
To: Stefan Monnier <monnier@iro.umontreal.ca>
Cc: 24749@debbugs.gnu.org, Vitalie Spinu <spinuvit@gmail.com>
Subject: bug#24749: Making sure syntax-propertize is called
Date: Mon, 03 Jun 2019 16:04:05 -0400	[thread overview]
Message-ID: <85r28abfm2.fsf@gmail.com> (raw)
In-Reply-To: <jwvk1e2pir0.fsf-monnier+emacs@gnu.org> (Stefan Monnier's message of "Mon, 03 Jun 2019 15:45:06 -0400")

Stefan Monnier <monnier@iro.umontreal.ca> writes:

>> It seems that the only(?) use case for a nil `parse-sexp-lookup-properties` is
>> to set it to nil dynamically in specialized lookup code for performance
>> reasons. Such code does let-bind it to nil already.
>
> I can't remember binding it to nil for performance reasons (tho maybe
> that's the reason behind yasnippet.el's case), but we do let-bind it
> temporarily to nil in a few cases as a hackish way to have a "different
> view" of the buffer which happens to fit our needs.  E.g. this is done
> in font-latex.el and sm-c-mode.el.

A "different view" of the buffer is the reason for yasnippet.el's use of
it too: it's parsing braces in "snippet syntax", which is not related to
the major mode's syntax.  (Really, parsing of the snippet syntax should
be done in a separate buffer to remove the need for this, but the
parsing code is intertwined with the evaluation of lisp in some snippet
constructs, so it's tricky to do that.)





  reply	other threads:[~2019-06-03 20:04 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-20 21:14 bug#24749: Making sure syntax-propertize is called Stefan Monnier
2016-10-20 22:31 ` Dmitry Gutov
2016-10-20 23:12   ` Stefan Monnier
2016-10-21 15:58     ` Dmitry Gutov
2016-10-21  6:56 ` Eli Zaretskii
2016-10-21 15:36   ` Stefan Monnier
2016-10-21 16:02     ` Eli Zaretskii
2016-10-21 16:34       ` Stefan Monnier
2016-10-21 17:27         ` Eli Zaretskii
2017-12-12  2:03           ` Noam Postavsky
2017-12-12 14:12             ` Stefan Monnier
     [not found] ` <handler.24749.D24749.151308794732170.notifdone@debbugs.gnu.org>
2017-12-12 17:54   ` bug#24749: closed (Re: bug#24749: Making sure syntax-propertize is called) Tassilo Horn
2017-12-12 19:45     ` Stefan Monnier
     [not found]     ` <jwv4lovu3xj.fsf-monnier+emacs@gnu.org>
2017-12-13  8:50       ` martin rudalics
     [not found] ` <87ef4awyb6.fsf@gmail.com>
     [not found]   ` <jwvblzewpgj.fsf-monnier+emacs@gnu.org>
2019-06-03 17:47     ` bug#24749: Making sure syntax-propertize is called Stefan Monnier
2019-06-03 19:25       ` Vitalie Spinu
2019-06-03 19:45         ` Stefan Monnier
2019-06-03 20:04           ` npostavs [this message]
2019-06-04  5:49           ` Vitalie Spinu
2019-06-04 13:08             ` Stefan Monnier
2019-06-05  5:25               ` Vitalie Spinu
2019-06-05 13:32                 ` Stefan Monnier

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