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From: Eli Zaretskii <eliz@gnu.org>
To: "Harald Jörg" <haj@posteo.de>
Cc: 42168@debbugs.gnu.org
Subject: bug#42168: 26.1; cperl-mode: Bad interpretation of $a++ / $b
Date: Sat, 11 Jul 2020 12:53:49 +0300	[thread overview]
Message-ID: <83v9iunzrm.fsf@gnu.org> (raw)
In-Reply-To: <da546d18-f862-ba5f-aa0d-22e8fa8e9581@posteo.de> (message from Harald Jörg on Thu, 2 Jul 2020 20:19:21 +0200)

> From: Harald Jörg <haj@posteo.de>
> Date: Thu, 2 Jul 2020 20:19:21 +0200
> 
> How to reproduce:
> In a buffer, activate cperl-mode (M-x cperl-mode), then enter:
> 
> $a++ / $b;
> 
> This is supposed to be a division.  However, cperl-mode interprets the
> slash as the start of a regular expression.  Accordingly, the following
> text is displayed with the wrong face, and also cperl-mode might
> complain that it can't find the end of the regular expression.
> 
> Emacs does not crash.
> 
> Attached: A patch which fixes the issue for $a++ and $a--, and also
> includes a test to verify that the very similar text "$a+ / $b" is still
> correctly interpreted as a regular expression.

Thanks.

To accept a substantial contribution such as this one, we will need
you to assign the copyright of your code to the FSF.  If you are okay
with starting your legal paperwork, I will send you the form to sign
and email.

Thank you for your interest in Emacs.





  reply	other threads:[~2020-07-11  9:53 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-02 18:19 bug#42168: 26.1; cperl-mode: Bad interpretation of $a++ / $b Harald Jörg
2020-07-11  9:53 ` Eli Zaretskii [this message]
2020-08-13  0:40   ` Stefan Kangas
2020-08-13  7:30     ` Harald Jörg
2020-08-13  7:55       ` Stefan Kangas
2020-08-13  8:17 ` Stefan Kangas
2020-08-13 20:40   ` Harald Jörg
2020-08-14  9:06     ` Stefan Kangas

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