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From: Eli Zaretskii <eliz@gnu.org>
To: Stefan Monnier <monnier@IRO.UMontreal.CA>
Cc: emacs-devel@gnu.org
Subject: Re: Message's text-properties in *Messages*
Date: Thu, 31 May 2018 05:40:16 +0300	[thread overview]
Message-ID: <83muwgh7jj.fsf@gnu.org> (raw)
In-Reply-To: <jwvvab4oa7v.fsf-monnier+emacs@gnu.org> (message from Stefan Monnier on Wed, 30 May 2018 22:09:50 -0400)

> From: Stefan Monnier <monnier@IRO.UMontreal.CA>
> Cc: emacs-devel@gnu.org
> Date: Wed, 30 May 2018 22:09:50 -0400
> 
> BTW now I see that message_dolog indeed runs the after-change-functions
> as well, so it already runs arbitrary Lisp code (and if its
> after-change-functions call `message` you get funny results).

That's Emacs giving you enough rope to hang yourself.  The important
part is that by the time these hooks run, we are done using the C
pointer to the message, so we no longer care about any GC effects.



      reply	other threads:[~2018-05-31  2:40 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-21 17:10 edebug: regrettable loss of information in Emacs 26.1 when printing a variable's value Alan Mackenzie
2018-05-21 17:47 ` Noam Postavsky
2018-05-21 18:23   ` Alan Mackenzie
2018-05-21 18:30   ` Eli Zaretskii
2018-05-21 21:20     ` Noam Postavsky
2018-05-22 16:53       ` Eli Zaretskii
2018-05-21 17:58 ` Eli Zaretskii
2018-05-21 19:04   ` Alan Mackenzie
2018-05-21 18:05 ` Stefan Monnier
2018-05-21 21:24   ` Noam Postavsky
2018-05-22  0:52     ` Stefan Monnier
2018-05-23 17:28       ` Stefan Monnier
2018-05-23 16:03     ` Message's text-properties in *Messages* (was: edebug: regrettable loss of information in Emacs 26.1 when printing a variable's value) Stefan Monnier
2018-05-23 16:10       ` Drew Adams
2018-05-23 16:46         ` Message's text-properties in *Messages* Stefan Monnier
2018-05-26  0:48           ` John Wiegley
2018-05-26 15:52             ` Stefan Monnier
2018-05-26 19:50               ` Amin Bandali
2018-05-27 14:36                 ` John Wiegley
2018-05-27 21:28                   ` Amin Bandali
2018-05-23 17:22       ` Message's text-properties in *Messages* (was: edebug: regrettable loss of information in Emacs 26.1 when printing a variable's value) Eli Zaretskii
2018-05-23 17:41         ` Message's text-properties in *Messages* Stefan Monnier
2018-05-23 18:07           ` Eli Zaretskii
2018-05-30 17:19             ` Eli Zaretskii
2018-05-30 19:44               ` Stefan Monnier
2018-05-30 19:55                 ` Eli Zaretskii
2018-05-31  2:09                   ` Stefan Monnier
2018-05-31  2:40                     ` Eli Zaretskii [this message]

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