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From: Stefan Monnier <monnier@iro.umontreal.ca>
To: Eli Zaretskii <eliz@gnu.org>
Cc: acm@muc.de,  larsi@gnus.org,  emacs-devel@gnu.org
Subject: Re: Fontification error backtrace  [Was: Why is it so difficult to get a Lisp backtrace?]
Date: Fri, 01 Jul 2022 15:26:26 -0400	[thread overview]
Message-ID: <jwvzghsr5yd.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <8335flfl2k.fsf@gnu.org> (Eli Zaretskii's message of "Fri, 01 Jul 2022 08:39:31 +0300")

>> BTW, in order to debug fontification errors, we also have
>> `jit-locak-debug-mode` which postpones the jit/font-lock execution from
>> within redisplay to "just a bit later" such that it can use the
>> debugger.  IIRC it still has some rough edges in some cases, but in
>> theory it should be possible to make this work such that you can (for
>> example) Edebug `font-lock.el` itself.
>
> It would be nice to have this documented in the ELisp manual.  I can
> easily add the jit-lock-debug-mode variable there, but from what you
> write, there seems to be more wisdom to go with its usage.

No, there's no extra wisdom.  It's just that it hasn't been used much,
so it probably needs refinement.  Bug reports would be quite welcome to
figure out what needs to be improved.


        Stefan




  parent reply	other threads:[~2022-07-01 19:26 UTC|newest]

Thread overview: 54+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-06-25 13:42 Why is it so difficult to get a Lisp backtrace? Alan Mackenzie
2022-06-25 15:26 ` Alan Mackenzie
2022-06-25 15:30   ` Stefan Kangas
2022-06-25 15:52     ` Alan Mackenzie
2022-06-25 16:27       ` Stefan Kangas
2022-06-25 15:35   ` Lars Ingebrigtsen
2022-06-25 15:59     ` Alan Mackenzie
2022-06-25 16:51       ` Eli Zaretskii
2022-06-25 19:45         ` Alan Mackenzie
2022-06-26  5:20           ` Eli Zaretskii
2022-06-27 19:48             ` Fontification error backtrace [Was: Why is it so difficult to get a Lisp backtrace?] Alan Mackenzie
2022-06-28 11:43               ` Lars Ingebrigtsen
2022-06-28 11:57               ` Eli Zaretskii
2022-06-28 17:28                 ` Alan Mackenzie
2022-06-28 18:17                   ` Eli Zaretskii
2022-06-28 19:31                     ` Alan Mackenzie
2022-06-29 19:00                       ` Eli Zaretskii
2022-07-12 19:48                         ` Redisplay hook error bactraces [Was: Fontification error backtrace] Alan Mackenzie
2022-07-13 12:33                           ` Eli Zaretskii
2022-07-13 18:41                             ` Redisplay hook error backtraces Alan Mackenzie
2022-07-13 19:00                               ` Eli Zaretskii
2022-07-13 20:12                                 ` Alan Mackenzie
2022-07-13 20:49                                   ` Stefan Monnier
2022-07-14  5:12                                   ` Eli Zaretskii
2022-07-14  9:01                                     ` Alan Mackenzie
2022-07-14  9:10                                       ` Eli Zaretskii
2022-07-14 13:42                                         ` Alan Mackenzie
2022-07-14 13:59                                           ` Eli Zaretskii
2022-07-14 16:07                                             ` Alan Mackenzie
2022-07-14 16:18                                               ` Stefan Monnier
2022-07-14 19:47                                                 ` Alan Mackenzie
2022-07-14 20:48                                                   ` Stefan Monnier
2022-07-15  5:50                                                   ` Eli Zaretskii
2022-07-15 18:18                                                     ` Alan Mackenzie
2022-07-16  6:03                                                       ` Eli Zaretskii
2022-07-14 17:09                                               ` Eli Zaretskii
2022-07-14 19:33                                                 ` Alan Mackenzie
2022-07-16  6:12                                                   ` Eli Zaretskii
2022-07-16 15:45                                                     ` Alan Mackenzie
2022-07-13 19:13                           ` Redisplay hook error bactraces [Was: Fontification error backtrace] Stefan Monnier
2022-07-13 19:24                             ` Eli Zaretskii
2022-07-13 19:58                             ` Alan Mackenzie
2022-07-13 20:45                               ` Stefan Monnier
2022-06-30 20:34                       ` Fontification error backtrace [Was: Why is it so difficult to get a Lisp backtrace?] Stefan Monnier
2022-07-01  5:39                         ` Eli Zaretskii
2022-07-01 15:34                           ` Juri Linkov
2022-07-01 16:04                             ` Eli Zaretskii
2022-07-01 19:14                               ` Juri Linkov
2022-07-01 19:26                           ` Stefan Monnier [this message]
2022-07-02  5:53                             ` Eli Zaretskii
2022-07-02 21:15                               ` Stefan Monnier
2022-07-02 20:27                         ` Alan Mackenzie
2022-07-02 21:12                           ` Stefan Monnier
2022-06-26  8:45 ` Why is it so difficult to get a Lisp backtrace? Stefan Monnier

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