From: Noam Postavsky <npostavs@gmail.com>
To: Alan Mackenzie <acm@muc.de>
Cc: Emacs developers <emacs-devel@gnu.org>
Subject: Re: (error "Stack overflow in regexp matcher") and (?)wrong display of regexp in backtrace
Date: Sun, 15 Mar 2020 10:21:51 -0400 [thread overview]
Message-ID: <CAM-tV--w5Zh85sehvEROMN5zAEc06+nQq4hG-5CEAWmyh5jf2Q@mail.gmail.com> (raw)
In-Reply-To: <20200315103922.GA4928@ACM>
On Sun, 15 Mar 2020 at 06:40, Alan Mackenzie <acm@muc.de> wrote:
> First of all, note the regexp, "\\(\\\\\\(.\\|\n\\)\\|[^\\\n\15]\\)*"
> ^^^
> In the source, the "\15" is "\r". Why is this substitution being made
> for the backtrace? Is it intentional (in which case, why not do the
> same to the "\n"?), or is it a bug? To me, it is more like a bug.
It's not really a bug (perhaps a missing feature), it's due to
print-escape-control-characters being non-nil. Newline is printed as
"\n" because print-escape-newlines is non-nil, but there is no
equivalent print-escape-carriage-returns.
next prev parent reply other threads:[~2020-03-15 14:21 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-15 10:39 (error "Stack overflow in regexp matcher") and (?)wrong display of regexp in backtrace Alan Mackenzie
2020-03-15 12:22 ` Mattias Engdegård
2020-03-15 12:33 ` Mattias Engdegård
2020-03-15 16:57 ` Alan Mackenzie
2020-03-15 20:06 ` Mattias Engdegård
2020-03-15 14:21 ` Noam Postavsky [this message]
2020-03-15 14:56 ` Eli Zaretskii
2020-03-15 16:35 ` Stefan Monnier
2020-03-15 17:32 ` Alan Mackenzie
2020-03-15 17:38 ` Mattias Engdegård
2020-03-15 17:46 ` Eli Zaretskii
2020-03-15 18:02 ` Andreas Schwab
2020-03-16 0:32 ` Paul Eggert
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