GNU bug report logs - #24868
26.0.50; LaTeX-verbatim-macros-with-delims-local isn't taken into account

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Clément Pit--Claudel <clement.pitclaudel <at> live.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 26.0.50; LaTeX-verbatim-macros-with-delims-local isn't taken into
 account
Date: Thu, 3 Nov 2016 12:11:49 -0400

[Message part 1 (text/plain, inline)]

Starting from emacs -Q with (add-to-list 'auto-mode-alist '("\\.tex$" . LaTeX-mode)), opening the attached file produces incorrect highlighting.  This is due to LaTeX-verbatim-macros-with-delims-local not being applied properly.

Currently, the workarounds are:
* To not set LaTeX-verbatim-macros-with-delims-local locally (instead, put it in .emacs)
* To add \usepackage{polyglossia} to top of file (??! apparently polyglossia.el somehow refreshes the fontification?)
* Use an "eval:" prop line to refresh fontification:
  % Local Variables:
  % LaTeX-verbatim-macros-with-delims-local: ("fiatverb" "facadeverb" "sqlverb" "cverb")
  % eval: (progn (font-latex-set-syntactic-keywords) (font-latex-setup) (setq font-lock-set-defaults nil) (font-lock-set-defaults))
  % End:

None of these are very pleasant, unfortunately.  Can we add a hook to hack-local-variables that refreshes fontification appropriately?

(also: can we give LaTeX-verbatim-macros-with-delims-local a simple #'safe predicate?)

Thanks!
Clément.

In GNU Emacs 26.0.50.14 (x86_64-pc-linux-gnu, GTK+ Version 3.18.9)
 of 2016-10-29 built on clem-w50-mint
Repository revision: fae796fe2695b419aa9277d243633bae400a147a
Windowing system distributor 'The X.Org Foundation', version 11.0.11804000
System Description:	Linux Mint 18 Sarah

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Message #8 received at 24868 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Clément Pit--Claudel <clement.pitclaudel <at> live.com>
Cc: 24868 <at> debbugs.gnu.org
Subject: Re: bug#24868: 26.0.50;
 LaTeX-verbatim-macros-with-delims-local isn't taken into account
Date: Thu, 03 Nov 2016 20:05:26 +0200

> From: Clément Pit--Claudel <clement.pitclaudel <at> live.com>
> Date: Thu, 3 Nov 2016 12:11:49 -0400
> 
> Starting from emacs -Q with (add-to-list 'auto-mode-alist '("\\.tex$" . LaTeX-mode)), opening the attached file produces incorrect highlighting.  This is due to LaTeX-verbatim-macros-with-delims-local not being applied properly.

Maybe I'm blind, but I seem to be unable to reproduce this.  Can you
tell which highlighting is incorrect, i.e. what should happen and what
does happen?

Also, in what version of Emacs did this work?

Thanks.

Message #11 received at 24868 <at> debbugs.gnu.org (full text, mbox):

From: Tassilo Horn <tsdh <at> gnu.org>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: Clément Pit--Claudel <clement.pitclaudel <at> live.com>,
 24868 <at> debbugs.gnu.org
Subject: Re: bug#24868: 26.0.50;
 LaTeX-verbatim-macros-with-delims-local isn't taken into account
Date: Thu, 03 Nov 2016 19:35:36 +0100

Eli Zaretskii <eliz <at> gnu.org> writes:

>> Starting from emacs -Q with (add-to-list 'auto-mode-alist '("\\.tex$"
>> . LaTeX-mode)), opening the attached file produces incorrect
>> highlighting.  This is due to LaTeX-verbatim-macros-with-delims-local
>> not being applied properly.
>
> Maybe I'm blind, but I seem to be unable to reproduce this.  Can you
> tell which highlighting is incorrect, i.e. what should happen and what
> does happen?
>
> Also, in what version of Emacs did this work?

I guess Clement is actually reporting an AUCTeX bug and accidentally
used `report-emacs-bug' instead of `TeX-submit-bug-report'.

And Clément is right.  With the current AUCTeX version modifying
`LaTeX-verbatim-macros-with-delims-local' and friends as a file-local or
directory-local variable doesn't refresh fontification.  Until now,
these variables have been meant mostly for style file authors, and when
a style is loaded, fontification will be recomputed.  But Clément's
use-case is valid, of course.

So Eli,

(1) can we move that bug to the auctex debbugs category?

(2) there's no hook-like thing that would be run whenever some specific
    variable is modified due to file-local or directory-local variables,
    no?  So I guess the right way to make Clément's use-case work was to
    provide functions for modifying those variables that can be run from
    an eval: local variables block and then refresh the fontification if
    needed, right?

Bye,
Tassilo

Message #14 received at 24868 <at> debbugs.gnu.org (full text, mbox):

From: Clément Pit--Claudel <clement.pitclaudel <at> live.com>
To: Tassilo Horn <tsdh <at> gnu.org>, Eli Zaretskii <eliz <at> gnu.org>
Cc: 24868 <at> debbugs.gnu.org
Subject: Re: bug#24868: 26.0.50; LaTeX-verbatim-macros-with-delims-local isn't
 taken into account
Date: Thu, 3 Nov 2016 15:06:30 -0400

[Message part 1 (text/plain, inline)]

On 2016-11-03 14:35, Tassilo Horn wrote:
> I guess Clement is actually reporting an AUCTeX bug and accidentally
> used `report-emacs-bug' instead of `TeX-submit-bug-report'.

Spot on :) Sorry for the mistake!

> (2) there's no hook-like thing that would be run whenever some specific
>     variable is modified due to file-local or directory-local variables,
>     no?  

There is one :)

    hack-local-variables-hook is a variable defined in ‘files.el’.
    Its value is nil

      This variable may be risky if used as a file-local variable.

    Documentation:
    Normal hook run after processing a file’s local variables specs.
    Major modes can use this to examine user-specified local variables
    in order to initialize other data structure based on them.

> So I guess the right way to make Clément's use-case work was to
> provide functions for modifying those variables that can be run from
> an eval: local variables block and then refresh the fontification if
> needed, right?

I think installing a hack-local-variable hook would be the way to go :)

Cheers and thanks for the quick answer!
Clément.

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Message #17 received at 24868 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Tassilo Horn <tsdh <at> gnu.org>
Cc: clement.pitclaudel <at> live.com, 24868 <at> debbugs.gnu.org
Subject: Re: bug#24868: 26.0.50;
 LaTeX-verbatim-macros-with-delims-local isn't taken into account
Date: Thu, 03 Nov 2016 21:09:50 +0200

> From: Tassilo Horn <tsdh <at> gnu.org>
> Cc: Clément Pit--Claudel <clement.pitclaudel <at> live.com>,
>   24868 <at> debbugs.gnu.org
> Date: Thu, 03 Nov 2016 19:35:36 +0100
> 
> (1) can we move that bug to the auctex debbugs category?

I think this is a simple matter of adding the "package" attribute to
the bug report?

> (2) there's no hook-like thing that would be run whenever some specific
>     variable is modified due to file-local or directory-local variables,
>     no?  So I guess the right way to make Clément's use-case work was to
>     provide functions for modifying those variables that can be run from
>     an eval: local variables block and then refresh the fontification if
>     needed, right?

Probably.  Unless someone will come up with a more clever idea.

Thanks.

Message #20 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Clément Pit--Claudel <clement.pit <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: Re: bug#24868: 26.0.50; LaTeX-verbatim-macros-with-delims-local isn't
 taken into account
Date: Thu, 3 Nov 2016 15:26:19 -0400

[Message part 1 (text/plain, inline)]

On 2016-11-03 15:09, Eli Zaretskii wrote:
>> > (2) there's no hook-like thing that would be run whenever some specific
>> >     variable is modified due to file-local or directory-local variables,
>> >     no?  So I guess the right way to make Clément's use-case work was to
>> >     provide functions for modifying those variables that can be run from
>> >     an eval: local variables block and then refresh the fontification if
>> >     needed, right?
> Probably.  Unless someone will come up with a more clever idea.

Hmm. Wouldn't something like the following work?

(add-hook 'hack-local-variables-hook
          (lambda () 
             (when (…check relevant variable for a change…)
               (…refresh fontification…)))

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Message #23 received at 24868 <at> debbugs.gnu.org (full text, mbox):

From: Tassilo Horn <tsdh <at> gnu.org>
To: Clément Pit--Claudel <clement.pitclaudel <at> live.com>,
 Eli Zaretskii <eliz <at> gnu.org>
Cc: 24868 <at> debbugs.gnu.org
Subject: Re: bug#24868: 26.0.50;
 LaTeX-verbatim-macros-with-delims-local isn't taken into account
Date: Thu, 03 Nov 2016 20:27:51 +0100

Hi again,

Thanks for your responses. I'll take care of this issue at the weekend.

Thanks,
Tassilo


Am 3. November 2016 20:06:51 schrieb Clément Pit--Claudel 
<clement.pitclaudel <at> live.com>:

> On 2016-11-03 14:35, Tassilo Horn wrote:
>> I guess Clement is actually reporting an AUCTeX bug and accidentally
>> used `report-emacs-bug' instead of `TeX-submit-bug-report'.
>
> Spot on :) Sorry for the mistake!
>
>> (2) there's no hook-like thing that would be run whenever some specific
>>     variable is modified due to file-local or directory-local variables,
>>     no?
>
> There is one :)
>
>     hack-local-variables-hook is a variable defined in ‘files.el’.
>     Its value is nil
>
>       This variable may be risky if used as a file-local variable.
>
>     Documentation:
>     Normal hook run after processing a file’s local variables specs.
>     Major modes can use this to examine user-specified local variables
>     in order to initialize other data structure based on them.
>
>> So I guess the right way to make Clément's use-case work was to
>> provide functions for modifying those variables that can be run from
>> an eval: local variables block and then refresh the fontification if
>> needed, right?
>
> I think installing a hack-local-variable hook would be the way to go :)
>
> Cheers and thanks for the quick answer!
> Clément.
>

Message #30 received at 24868 <at> debbugs.gnu.org (full text, mbox):

From: Tassilo Horn <tsdh <at> gnu.org>
To: Clément Pit--Claudel <clement.pit <at> gmail.com>
Cc: 24868 <at> debbugs.gnu.org
Subject: Re: bug#24868: 26.0.50;
 LaTeX-verbatim-macros-with-delims-local isn't taken into account
Date: Fri, 04 Nov 2016 19:54:25 +0100

[Message part 1 (text/plain, inline)]

Clément Pit--Claudel <clement.pit <at> gmail.com> writes:

> On 2016-11-03 15:09, Eli Zaretskii wrote:
>>> > (2) there's no hook-like thing that would be run whenever some specific
>>> >     variable is modified due to file-local or directory-local variables,
>>> >     no?  So I guess the right way to make Clément's use-case work was to
>>> >     provide functions for modifying those variables that can be run from
>>> >     an eval: local variables block and then refresh the fontification if
>>> >     needed, right?
>> Probably.  Unless someone will come up with a more clever idea.
>
> Hmm. Wouldn't something like the following work?
>
> (add-hook 'hack-local-variables-hook
>           (lambda () 
>              (when (…check relevant variable for a change…)
>                (…refresh fontification…)))

Yeah, that did the trick.  I've just pushed a fix like that and also
declared the LaTeX-verbatim-*-local variables as safe-local-variables in
case their value is a list of strings.  I briefly tested that it works
as expected with both a file-local variables section and a
.dir-locals.el file.

Could you give it a try and report back so that I can close the bug
then?

Bye,
Tassilo

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Message #33 received at 24868 <at> debbugs.gnu.org (full text, mbox):

From: Arash Esbati <arash <at> gnu.org>
To: Tassilo Horn <tsdh <at> gnu.org>
Cc: 24868 <at> debbugs.gnu.org,
 Clément Pit--Claudel <clement.pit <at> gmail.com>
Subject: Re: bug#24868: 26.0.50; LaTeX-verbatim-macros-with-delims-local
 isn't taken into account
Date: Mon, 04 Mar 2024 23:44:40 +0100

Tassilo Horn <tsdh <at> gnu.org> writes:

> Clément Pit--Claudel <clement.pit <at> gmail.com> writes:
>
>> On 2016-11-03 15:09, Eli Zaretskii wrote:
>>>> > (2) there's no hook-like thing that would be run whenever some specific
>>>> >     variable is modified due to file-local or directory-local variables,
>>>> >     no?  So I guess the right way to make Clément's use-case work was to
>>>> >     provide functions for modifying those variables that can be run from
>>>> >     an eval: local variables block and then refresh the fontification if
>>>> >     needed, right?
>>> Probably.  Unless someone will come up with a more clever idea.
>>
>> Hmm. Wouldn't something like the following work?
>>
>> (add-hook 'hack-local-variables-hook
>>           (lambda () 
>>              (when (…check relevant variable for a change…)
>>                (…refresh fontification…)))
>
> Yeah, that did the trick.  I've just pushed a fix like that and also
> declared the LaTeX-verbatim-*-local variables as safe-local-variables in
> case their value is a list of strings.  I briefly tested that it works
> as expected with both a file-local variables section and a
> .dir-locals.el file.
>
> Could you give it a try and report back so that I can close the bug
> then?

(I'm going through old bug reports that unfortunately weren't resolved
at the time.)

I presume that this issue resolved, therefore I'm closing this report.

Best, Arash

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