* bug#24662: 24.5; Markdown mode freezes Emacs when using TeX input method in a header
@ 2016-10-10 18:02 Christophe Troestler
2016-10-10 19:03 ` Eli Zaretskii
0 siblings, 1 reply; 3+ messages in thread
From: Christophe Troestler @ 2016-10-10 18:02 UTC (permalink / raw
To: 24662
Elpa Markdown mode makes Emacs use 100% CPU and be unresponsive (C-g has
no effect) when using TeX input method in a header followed by an URL.
Steps to reproduce:
- Run: emacs -q
- Execute (if you are using Debian or derivatives and installed
elpa-markdown-mode — otherwise see
http://jblevins.org/projects/markdown-mode/):
(load
"/usr/share/emacs/site-lisp/elpa-src/markdown-mode-2.1/markdown-mode.el")
- Create a file, say a.md, containing
#
http://
- Place the cursor after "#".
- Switch to TeX input method (C-\ and select TeX)
- Type \ (then Emacs freezes)
emacs-25.1.50.1 and emacs-26.0.50.1 (compiled from the Git repository)
have the same problem.
In GNU Emacs 24.5.1 (x86_64-pc-linux-gnu, GTK+ Version 3.21.5)
of 2016-09-05 on trouble, modified by Debian
Windowing system distributor `The X.Org Foundation', version
11.0.11804000
System Description: Debian GNU/Linux testing (stretch)
Configured using:
`configure --build x86_64-linux-gnu --prefix=/usr
--sharedstatedir=/var/lib --libexecdir=/usr/lib
--localstatedir=/var/lib --infodir=/usr/share/info
--mandir=/usr/share/man --with-pop=yes
--enable-locallisppath=/etc/emacs24:/etc/emacs:/usr/local/share/emacs/24.5/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/24.5/site-lisp:/usr/share/emacs/site-lisp
--build x86_64-linux-gnu --prefix=/usr --sharedstatedir=/var/lib
--libexecdir=/usr/lib --localstatedir=/var/lib
--infodir=/usr/share/info --mandir=/usr/share/man --with-pop=yes
--enable-locallisppath=/etc/emacs24:/etc/emacs:/usr/local/share/emacs/24.5/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/24.5/site-lisp:/usr/share/emacs/site-lisp
--with-x=yes --with-x-toolkit=gtk3 --with-toolkit-scroll-bars
'CFLAGS=-g -O2
-fdebug-prefix-map=/build/emacs24-24.5+1=. -fstack-protector-strong
-Wformat -Werror=format-security -Wall' 'CPPFLAGS=-Wdate-time
-D_FORTIFY_SOURCE=2' LDFLAGS=-Wl,-z,relro'
Important settings:
value of $LC_MESSAGES: en_US.UTF-8
value of $LC_MONETARY: en_GB.UTF-8
value of $LC_NUMERIC: en_GB.UTF-8
value of $LC_TIME: en_GB.UTF-8
value of $LANG: en_US.UTF-8
locale-coding-system: utf-8-unix
Major mode: Tuareg
Minor modes in effect:
shell-dirtrack-mode: t
flyspell-mode: t
TeX-PDF-mode: t
merlin-mode: t
erc-list-mode: t
erc-menu-mode: t
erc-autojoin-mode: t
erc-ring-mode: t
erc-networks-mode: t
erc-pcomplete-mode: t
erc-track-mode: t
erc-match-mode: t
erc-button-mode: t
erc-fill-mode: t
erc-stamp-mode: t
erc-netsplit-mode: t
erc-irccontrols-mode: t
erc-noncommands-mode: t
erc-move-to-prompt-mode: t
erc-readonly-mode: t
desktop-save-mode: t
show-paren-mode: t
tooltip-mode: t
electric-indent-mode: t
mouse-wheel-mode: t
menu-bar-mode: t
file-name-shadow-mode: t
global-font-lock-mode: t
font-lock-mode: t
auto-composition-mode: t
auto-encryption-mode: t
auto-compression-mode: t
column-number-mode: t
line-number-mode: t
transient-mark-mode: t
Recent messages:
Sending email done
Mark set
Saving file
/home/trch/Maildir/UMONS/sent/cur/1476121349.6f874b458517dc17.poincare:2,S...
Wrote
/home/trch/Maildir/UMONS/sent/cur/1476121349.6f874b458517dc17.poincare:2,S
Sending...done
[mu4e] Message sent
[mu4e] Found 150 matching messages
[mu4e] Found 38 matching messages
byte-code: End of buffer
Making completion list... [3 times]
Load-path shadows:
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/home/trch/software/mu/mu4e/mu4e-utils hides
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/home/trch/software/mu/mu4e/mu4e-headers hides
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/usr/share/emacs/24.5/lisp/net/hmac-md5
/home/trch/.emacs.d/elpa/ntlm-2.0.0/ntlm hides
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/home/trch/.emacs.d/elpa/soap-client-3.1.1/soap-client hides
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/usr/share/emacs24/site-lisp/flim/sasl hides
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/home/trch/.emacs.d/elpa/soap-client-3.1.1/soap-inspect hides
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/usr/share/emacs24/site-lisp/flim/sasl-ntlm hides
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/usr/share/emacs24/site-lisp/flim/hmac-def hides
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/usr/share/emacs24/site-lisp/flim/sasl-digest hides
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/usr/share/emacs24/site-lisp/auctex/context hides
/usr/share/emacs/site-lisp/auctex/context
/usr/share/emacs24/site-lisp/auctex/tex-buf hides
/usr/share/emacs/site-lisp/auctex/tex-buf
/usr/share/emacs24/site-lisp/auctex/tex-info hides
/usr/share/emacs/site-lisp/auctex/tex-info
/usr/share/emacs24/site-lisp/auctex/tex-mik hides
/usr/share/emacs/site-lisp/auctex/tex-mik
/usr/share/emacs24/site-lisp/auctex/tex-bar hides
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/usr/share/emacs24/site-lisp/auctex/tex-font hides
/usr/share/emacs/site-lisp/auctex/tex-font
/usr/share/emacs24/site-lisp/auctex/tex-jp hides
/usr/share/emacs/site-lisp/auctex/tex-jp
/usr/share/emacs24/site-lisp/auctex/tex hides
/usr/share/emacs/site-lisp/auctex/tex
/usr/share/emacs24/site-lisp/auctex/toolbar-x hides
/usr/share/emacs/site-lisp/auctex/toolbar-x
/usr/share/emacs24/site-lisp/auctex/plain-tex hides
/usr/share/emacs/site-lisp/auctex/plain-tex
/usr/share/emacs24/site-lisp/auctex/latex hides
/usr/share/emacs/site-lisp/auctex/latex
/usr/share/emacs24/site-lisp/auctex/tex-style hides
/usr/share/emacs/site-lisp/auctex/tex-style
/usr/share/emacs24/site-lisp/auctex/preview hides
/usr/share/emacs/site-lisp/auctex/preview
/usr/share/emacs24/site-lisp/auctex/context-en hides
/usr/share/emacs/site-lisp/auctex/context-en
/usr/share/emacs24/site-lisp/auctex/texmathp hides
/usr/share/emacs/site-lisp/auctex/texmathp
/usr/share/emacs24/site-lisp/auctex/context-nl hides
/usr/share/emacs/site-lisp/auctex/context-nl
/usr/share/emacs24/site-lisp/auctex/bib-cite hides
/usr/share/emacs/site-lisp/auctex/bib-cite
/usr/share/emacs24/site-lisp/auctex/multi-prompt hides
/usr/share/emacs/site-lisp/auctex/multi-prompt
/usr/share/emacs24/site-lisp/auctex/tex-fold hides
/usr/share/emacs/site-lisp/auctex/tex-fold
/usr/share/emacs24/site-lisp/auctex/font-latex hides
/usr/share/emacs/site-lisp/auctex/font-latex
/usr/share/emacs24/site-lisp/auctex/prv-emacs hides
/usr/share/emacs/site-lisp/auctex/prv-emacs
Features:
(shadow emacsbug network-stream starttls tls mailalias flow-fill
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org-bbdb org-w3m latexenc reftex-auc preview prv-emacs tex-buf
reftex-dcr reftex reftex-vars latex tex-style tex-mode shell mule-util
caml tuareg_indent tuareg compile smie caml-help vc-git flyspell ispell
markdown-mode font-latex tex dbus crm bibtex merlin-compat merlin-cap
merlin caml-types caml-emacs tq log-edit pcvs-util add-log erc-list
erc-menu erc-join erc-ring erc-networks erc-pcomplete erc-track
erc-match erc-button erc-fill erc-stamp erc-netsplit erc-goodies erc
erc-backend erc-compat pp twittering-mode url url-proxy url-privacy
url-expand url-methods url-history url-cookie url-domsuf url-util
mailcap xml org-mu4e org org-macro org-footnote org-pcomplete pcomplete
org-list org-faces org-entities noutline outline easy-mmode org-version
ob-emacs-lisp ob ob-tangle ob-ref ob-lob ob-table ob-exp org-src ob-keys
ob-comint ob-core ob-eval org-compat org-macs org-loaddefs find-func
mu-cite alist std11 pccl pccl-20 advice pcustom poem poem-e20 poem-e20_3
pces pces-e20 pces-20 broken poe pym static apel-ver product mu4e-w3m
mu4e-contrib mu4e desktop frameset mu4e-speedbar speedbar sb-image
ezimage dframe mu4e-main mu4e-context mu4e-view thingatpt comint
ansi-color ring mu4e-headers mu4e-compose mu4e-draft mu4e-actions ido
rfc2368 smtpmail sendmail mu4e-mark mu4e-message html2text mu4e-proc
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mml-sec mm-decode mm-bodies mm-encode mail-parse rfc2231 rfc2047 rfc2045
ietf-drums mailabbrev mail-utils gmm-utils mailheader hl-line mu4e-meta
w3m browse-url doc-view jka-compr dired image-mode timezone w3m-hist
w3m-fb bookmark-w3m w3m-ems wid-edit w3m-ccl ccl w3m-favicon w3m-image
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easymenu package epg-config debian-el debian-el-loaddefs w3m-load
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fontset image regexp-opt fringe tabulated-list newcomment lisp-mode
prog-mode register page menu-bar rfn-eshadow timer select scroll-bar
mouse jit-lock font-lock syntax facemenu font-core frame cham georgian
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minibuffer nadvice loaddefs button faces cus-face macroexp files
text-properties overlay sha1 md5 base64 format env code-pages mule
custom widget hashtable-print-readable backquote make-network-process
dbusbind gfilenotify dynamic-setting system-font-setting
font-render-setting move-toolbar gtk x-toolkit x multi-tty emacs)
Memory information:
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(symbols 48 52854 0)
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(strings 32 132784 18744)
(string-bytes 1 3771065)
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(intervals 56 4582 746)
(buffers 960 59))
^ permalink raw reply [flat|nested] 3+ messages in thread
* bug#24662: 24.5; Markdown mode freezes Emacs when using TeX input method in a header
2016-10-10 18:02 bug#24662: 24.5; Markdown mode freezes Emacs when using TeX input method in a header Christophe Troestler
@ 2016-10-10 19:03 ` Eli Zaretskii
2016-12-07 20:30 ` Glenn Morris
0 siblings, 1 reply; 3+ messages in thread
From: Eli Zaretskii @ 2016-10-10 19:03 UTC (permalink / raw
To: Christophe Troestler; +Cc: 24662
> From: Christophe Troestler <christophe.troestler1@gmail.com>
> Date: Mon, 10 Oct 2016 20:02:52 +0200
>
> Elpa Markdown mode makes Emacs use 100% CPU and be unresponsive (C-g has
> no effect) when using TeX input method in a header followed by an URL.
>
> Steps to reproduce:
>
> - Run: emacs -q
> - Execute (if you are using Debian or derivatives and installed
> elpa-markdown-mode — otherwise see
> http://jblevins.org/projects/markdown-mode/):
>
> (load
> "/usr/share/emacs/site-lisp/elpa-src/markdown-mode-2.1/markdown-mode.el")
>
> - Create a file, say a.md, containing
>
> #
>
> http://
>
> - Place the cursor after "#".
>
> - Switch to TeX input method (C-\ and select TeX)
>
> - Type \ (then Emacs freezes)
Thank you for your report.
I'm not sure why do you think it's an Emacs bug. AFAICT, Emacs
infloops in font-lock routines set up by markdown-mode, so it could
well be a bug in markdown-mode itself.
^ permalink raw reply [flat|nested] 3+ messages in thread
* bug#24662: 24.5; Markdown mode freezes Emacs when using TeX input method in a header
2016-10-10 19:03 ` Eli Zaretskii
@ 2016-12-07 20:30 ` Glenn Morris
0 siblings, 0 replies; 3+ messages in thread
From: Glenn Morris @ 2016-12-07 20:30 UTC (permalink / raw
To: 24662-done
Eli Zaretskii wrote:
> I'm not sure why do you think it's an Emacs bug. AFAICT, Emacs
> infloops in font-lock routines set up by markdown-mode, so it could
> well be a bug in markdown-mode itself.
Closing - please report to markdown-mode maintainer(s).
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2016-12-07 20:30 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2016-10-10 18:02 bug#24662: 24.5; Markdown mode freezes Emacs when using TeX input method in a header Christophe Troestler
2016-10-10 19:03 ` Eli Zaretskii
2016-12-07 20:30 ` Glenn Morris
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