GNU bug report logs - #36068
27.0.50; Warning: unescaped character literals `?)' detected, `?\)' expected!

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From: Noam Postavsky <npostavs <at> gmail.com>
To: Michael Heerdegen <michael_heerdegen <at> web.de>
Cc: 36068 <at> debbugs.gnu.org
Subject: bug#36068: 27.0.50; Warning: unescaped character literals `?)' detected, `?\)' expected!
Date: Mon, 03 Jun 2019 08:06:23 -0400

Michael Heerdegen <michael_heerdegen <at> web.de> writes:

> Sometimes, out of nowhere, when I byte compile my init file (with my
> config loaded of course), I get hundreds (!) of warnings
>
> .gnu-emacs.el:22:1:Warning: unescaped character literals `?)' detected, `?\)'
>     expected!
>
> Dunno if it happens when there is a syntax error in the file, or just
> Heisenbug like.  When this has happened once, I cannot get back to a
> normal compilation, compiling any Elisp file gives me the above
> warnings.  I have to restart Emacs.  Then everything is good.
>
> I have still open such an ill session, maybe it can help with the
> diagnosis?

Hmm, is lread--unescaped-character-literals non-nil?  It looks like the
variable can only get cleared due to the let-binding in load, so if it
somehow got set outside of that, then you would see continual warnings
from it.

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