GNU bug report logs - #40317
27.0.90; Reverting a buffer that visits C file signals an error

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From: Damien Cassou <damien <at> cassou.me>
To: Alan Mackenzie <acm <at> muc.de>
Cc: Eli Zaretskii <eliz <at> gnu.org>, 40317 <at> debbugs.gnu.org
Subject: bug#40317: 27.0.90; Reverting a buffer that visits C file signals an error
Date: Thu, 29 Oct 2020 15:19:51 +0100

Alan Mackenzie <acm <at> muc.de> writes:
> On Wed, Sep 16, 2020 at 16:51:42 +0200, Damien Cassou wrote:
>> Eli Zaretskii <eliz <at> gnu.org> writes:
>> > Does that happen with _any_ C# file?  If not, can you post an example
>> > of a file where this happens, and a recipe to reproduce the problem?
>
>> I don't know how to reproduce, it is infrequent and seems random.
>
> What do you mean by "infrequent"?  Once a month, once a week, once a
> day, several times a day?


This didn't happen for some weeks and happened twice today:

  Warning (emacs): c-new-END is too big! 1217 > 729
  Warning (emacs): c-new-END is too big! 2331 > 1902


> Does it happen frequently enough that you
> would notice if it stopped happening?  If so ....


It would take me a while to realize.


> csharp-mode has an inappropriate use of syntax-propertize-function,
> which might be damaging things.


I don't know if your comment is still relevant because csharp-mode
changed a lot recently. I'm on latest master (commit
fb1f7d57675df8c38bbf9cc3c99e0059c8b16d7f).


> Could you please disable this with code
> like the following in your .emacs (Note: this involves a minor loss of
> functionality):


do you still recommend it?


Best

-- 
Damien Cassou

"Success is the ability to go from one failure to another without
losing enthusiasm." --Winston Churchill

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