From: Daniel Mendler <mail@daniel-mendler.de>
To: Eli Zaretskii <eliz@gnu.org>
Cc: 52459@debbugs.gnu.org, dgutov@yandex.ru
Subject: bug#52459: 28.0.90; prin1-to-string does not escape bidi control characters despite print-escape-control-characters=t
Date: Tue, 14 Dec 2021 19:51:50 +0100 [thread overview]
Message-ID: <4c33ab33-6d07-3522-680a-4fbc7133d56e@daniel-mendler.de> (raw)
In-Reply-To: <83mtl3ja62.fsf@gnu.org>
On 12/14/21 7:47 PM, Eli Zaretskii wrote:
>> Cc: 52459@debbugs.gnu.org
>> From: Daniel Mendler <mail@daniel-mendler.de>
>> Date: Tue, 14 Dec 2021 19:32:47 +0100
>>
>> On 12/14/21 7:23 PM, Dmitry Gutov wrote:
>>> I just did a little testing, and it seems
>>> 'print-escape-control-characters' only affects 'prin1-to-string' and
>>> 'prin1' but not 'message' or 'format'.
>>
>> No, `print-escape-multibyte` also applies to `format and `message`. Try
>> the following:
>>
>> (let ((print-escape-multibyte t))
>> (format "%S" bidi-directional-controls-chars)
>> (message "%S" bidi-directional-controls-chars))
>
> Strings are not usually formatted using %S, they are formatted using
> %s. It would be unreasonable to expect Lisp programs to use %S for
> formatting strings.
I am talking about creating string representations of Elisp values. I
did not exclusively talk about strings. Strings are of course also Elisp
values, but for a debugger UI it is useful to produce string
representations of general Elisp values.
next prev parent reply other threads:[~2021-12-14 18:51 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-12 20:13 bug#52459: 28.0.90; prin1-to-string does not escape bidi control characters despite print-escape-control-characters=t Daniel Mendler
2021-12-12 20:42 ` Eli Zaretskii
2021-12-12 21:11 ` Daniel Mendler
2021-12-12 21:33 ` Daniel Mendler
2021-12-13 12:22 ` Eli Zaretskii
2021-12-13 13:19 ` Daniel Mendler
2021-12-13 13:30 ` Daniel Mendler
2021-12-13 15:24 ` Eli Zaretskii
2021-12-13 16:32 ` Daniel Mendler
2021-12-13 17:07 ` Eli Zaretskii
2021-12-13 18:13 ` Daniel Mendler
2021-12-13 18:28 ` Eli Zaretskii
2021-12-13 18:35 ` Daniel Mendler
2021-12-13 18:52 ` Eli Zaretskii
2021-12-13 18:57 ` Daniel Mendler
2021-12-13 19:08 ` Eli Zaretskii
2021-12-13 19:16 ` Daniel Mendler
2021-12-13 19:38 ` Eli Zaretskii
2021-12-14 18:23 ` Dmitry Gutov
2021-12-14 18:32 ` Daniel Mendler
2021-12-14 18:40 ` Dmitry Gutov
2021-12-14 18:47 ` Eli Zaretskii
2021-12-14 18:51 ` Daniel Mendler [this message]
2021-12-14 19:41 ` Dmitry Gutov
2021-12-14 19:22 ` Andreas Schwab
2021-12-14 18:39 ` Eli Zaretskii
2021-12-14 18:56 ` Dmitry Gutov
2021-12-14 19:20 ` Eli Zaretskii
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