GNU bug report logs - #37653
26.3; edbug backquoted dot is space sensitive

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Message #16 received at 37653 <at> debbugs.gnu.org (full text, mbox):

From: Andreas Schwab <schwab <at> linux-m68k.org>
To: Lars Ingebrigtsen <larsi <at> gnus.org>
Cc: Juri Linkov <juri <at> jurta.org>,
 Devon Sean McCullough <Emacs-Hacker2018 <at> jovi.net>,
 Stefan Monnier <monnier <at> iro.umontreal.ca>, 37653 <at> debbugs.gnu.org
Subject: Re: bug#37653: 26.3; edbug backquoted dot is space sensitive
Date: Fri, 20 May 2022 15:28:22 +0200

On Mai 20 2022, Andreas Schwab wrote:

> On Mai 20 2022, Lars Ingebrigtsen wrote:
>
>> Or different reproduction:
>>
>> (defun x () `(t .,t))
>>
>> M-: (edebug-read-storing-offsets (current-buffer))
>>
>> at the start of the line.  I haven't tried debugging this further --
>> perhaps it's obvious to Stefan what the problem might be; added to the CCs.
>
> edebug-next-token-class returns 'symbol for "." when followed by ","
> which looks wrong (see commit 392cf16dd0).

Apparently the handling of ".," in the reader changed with the
introduction of new-style backquotes.

-- 
Andreas Schwab, schwab <at> linux-m68k.org
GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510  2552 DF73 E780 A9DA AEC1
"And now for something completely different."

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