From: Stefan Monnier <monnier@iro.umontreal.ca>
To: Giorgos Keramidas <keramida@ceid.upatras.gr>
Cc: emacs-pretest-bug@gnu.org, 4560@emacsbugs.donarmstrong.com
Subject: bug#4560: 23.1.50; (string-match "string" nil) error when typing `M-x help RET'
Date: Sat, 26 Sep 2009 20:28:08 -0400 [thread overview]
Message-ID: <jwv1vlte5tm.fsf-monnier+emacsbugreports@gnu.org> (raw)
In-Reply-To: <87ws3mjg76.fsf@kobe.laptop> (Giorgos Keramidas's message of "Sat, 26 Sep 2009 10:52:29 +0300")
> Something seems to have changed in the way string-match works with its
> second argument is nil.
Actually, the problem was in help.el's use of make-help-screen.
I've installed the patch below, which should fix it,
Stefan
--- lisp/help.el 14 Sep 2009 23:28:43 -0000 1.348
+++ lisp/help.el 27 Sep 2009 00:27:00 -0000
@@ -203,7 +203,9 @@
;; It can't find this, but nobody will look.
(make-help-screen help-for-help-internal
(purecopy "Type a help option: [abcCdefFgiIkKlLmnprstvw.] C-[cdefmnoptw] or ?")
- (purecopy
+ ;; Don't purecopy this one, because it's not evaluated (it's
+ ;; directly used as a docstring in a function definition, so it'll
+ ;; be moved to the DOC file anyway: no need for purecopying it).
"You have typed %THIS-KEY%, the help character. Type a Help option:
\(Use SPC or DEL to scroll through this text. Type \\<help-map>\\[help-quit] to exit the Help command.)
@@ -248,7 +250,7 @@
C-o Emacs ordering and distribution information.
C-p Info about known Emacs problems.
C-t Emacs TODO list.
-C-w Information on absence of warranty for GNU Emacs.")
+C-w Information on absence of warranty for GNU Emacs."
help-map)
\f
next prev parent reply other threads:[~2009-09-27 0:28 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <jwvske8b4k0.fsf-monnier+emacsbugreports@gnu.org>
2009-09-26 7:52 ` bug#4560: 23.1.50; (string-match "string" nil) error when typing `M-x help RET' Giorgos Keramidas
2009-09-27 0:28 ` Stefan Monnier [this message]
2009-09-27 19:05 ` bug#4560: marked as done (23.1.50; (string-match "string" nil) error when typing `M-x help RET') Emacs bug Tracking System
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=jwv1vlte5tm.fsf-monnier+emacsbugreports@gnu.org \
--to=monnier@iro.umontreal.ca \
--cc=4560@emacsbugs.donarmstrong.com \
--cc=emacs-pretest-bug@gnu.org \
--cc=keramida@ceid.upatras.gr \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
Code repositories for project(s) associated with this external index
https://git.savannah.gnu.org/cgit/emacs.git
https://git.savannah.gnu.org/cgit/emacs/org-mode.git
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.