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bug#51926: 29.0.50; Narrow to defun fails with Javascript async function
From: |
Matthias Meulien |
Subject: |
bug#51926: 29.0.50; Narrow to defun fails with Javascript async functions |
Date: |
Wed, 17 Nov 2021 21:11:35 +0100 |
1. Create a buffer and enable `js-mode' in that buffer
2. Enter the following function definition:
async function test_async() {
return true;
}
3. Move cursor past the "f" of the "function" keyword.
4. Call `narrow-to-defun' (C-x n d) and observe that the buffer now
displays the following:
function test_async() {
// nothing to do
}
This is wrong (async has disappeared).
In GNU Emacs 29.0.50 (build 3, x86_64-pc-linux-gnu, GTK+ Version 3.24.24, cairo
version 1.16.0)
of 2021-11-14 built on carbon
Repository revision: 2ff42ad0e8468a5979a8c5db90333d9c2949bd2e
Repository branch: dev/mm
Windowing system distributor 'The X.Org Foundation', version 11.0.12011000
System Description: Debian GNU/Linux 11 (bullseye)
Configured using:
'configure --with-native-compilation'
Configured features:
ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GPM GSETTINGS HARFBUZZ JPEG
JSON LCMS2 LIBOTF LIBSELINUX LIBXML2 M17N_FLT MODULES NATIVE_COMP NOTIFY
INOTIFY PDUMPER PNG RSVG SECCOMP SOUND THREADS TIFF TOOLKIT_SCROLL_BARS
X11 XDBE XIM XPM GTK3 ZLIB
Important settings:
value of $LANG: fr_FR.UTF-8
value of $XMODIFIERS: @im=ibus
locale-coding-system: utf-8-unix
Major mode: JavaScript
Minor modes in effect:
subword-mode: t
display-line-numbers-mode: t
highlight-changes-mode: t
shell-dirtrack-mode: t
eglot--managed-mode: t
flymake-mode: t
minions-mode: t
desktop-save-mode: t
save-place-mode: t
electric-pair-mode: t
icomplete-mode: t
global-so-long-mode: t
global-auto-revert-mode: t
auto-insert-mode: t
tooltip-mode: t
global-eldoc-mode: t
eldoc-mode: t
show-paren-mode: t
electric-layout-mode: t
electric-indent-mode: t
mouse-wheel-mode: t
tab-bar-mode: t
file-name-shadow-mode: t
global-font-lock-mode: t
font-lock-mode: t
blink-cursor-mode: t
window-divider-mode: t
auto-composition-mode: t
auto-encryption-mode: t
auto-compression-mode: t
line-number-mode: t
transient-mark-mode: t
abbrev-mode: t
hs-minor-mode: t
Load-path shadows:
/home/matthias/.config/emacs/elpa/transient-20211029.1405/transient hides
/usr/local/share/emacs/29.0.50/lisp/transient
/home/matthias/.config/emacs/elpa/dictionary-20201001.1727/dictionary hides
/usr/local/share/emacs/29.0.50/lisp/net/dictionary
Features:
(shadow sort mail-extr gnus-msg emacsbug sendmail
display-fill-column-indicator cus-start crm log-view pcvs-util
reftex-dcr reftex reftex-loaddefs reftex-vars tex-mode pulse misearch
multi-isearch shortdoc help-fns radix-tree hideshow cap-words superword
subword js hl-line whitespace add-log bug-reference display-line-numbers
hilit-chg follow mule-util vc-dir dired-aux flyspell ox-odt rng-loc
rng-uri rng-parse rng-match rng-dt rng-util rng-pttrn nxml-parse nxml-ns
nxml-enc xmltok nxml-util ox-latex ox-icalendar org-agenda ox-html table
ox-ascii ox-publish ox goto-addr org-element avl-tree generator ol-eww
eww xdg url-queue mm-url ol-rmail ol-mhe ol-irc ol-info ol-gnus nnselect
gnus-search eieio-opt speedbar ezimage dframe gnus-art mm-uu mml2015
mm-view mml-smime smime dig gnus-sum shr kinsoku svg dom ol-docview
doc-view jka-compr image-mode exif ol-bibtex ol-bbdb ol-w3m ol-doi
org-link-doi vc-mtn vc-hg vc-bzr vc-src vc-sccs vc-svn vc-cvs vc-rcs vc
bash-completion shell eglot array jsonrpc ert ewoc debug backtrace xref
flymake-proc flymake compile pcase project imenu avoid minions
carbon-custom cus-edit cus-load gnus-demon nntp gnus-group gnus-undo
gnus-start gnus-dbus dbus xml gnus-cloud nnimap nnmail mail-source utf7
netrc parse-time gnus-spec gnus-win nnoo gnus-int gnus-range message
yank-media rmc puny rfc822 mml mml-sec epa derived epg rfc6068
epg-config mm-decode mm-bodies mm-encode mail-parse rfc2231 mailabbrev
gmm-utils mailheader gnus nnheader gnus-util rmail rmail-loaddefs
rfc2047 rfc2045 ietf-drums mail-utils mm-util mail-prsvr wid-edit
gnus-dired dired-x dired dired-loaddefs org-capture org-refile org ob
ob-tangle ob-ref ob-lob ob-table ob-exp org-macro org-footnote org-src
ob-comint org-pcomplete pcomplete comint ansi-color ring org-list
org-faces org-entities org-version ob-emacs-lisp ob-core ob-eval
org-table oc-basic bibtex iso8601 time-date ol org-keys oc org-compat
org-macs org-loaddefs format-spec find-func cal-menu calendar
cal-loaddefs dictionary link connection advice markdown-mode
edit-indirect color thingatpt noutline outline skeleton find-file vc-git
diff-mode easy-mmode vc-dispatcher ispell comp comp-cstr warnings rx
cl-extra help-mode desktop frameset server bookmark text-property-search
pp saveplace elec-pair icomplete so-long autorevert filenotify
autoinsert cc-mode cc-fonts cc-guess cc-menus cc-cmds cc-styles cc-align
cc-engine cc-vars cc-defs generic-x face-remap proof-site
proof-autoloads info package browse-url url url-proxy url-privacy
url-expand url-methods url-history url-cookie url-domsuf url-util
mailcap url-handlers url-parse auth-source cl-seq eieio eieio-core
cl-macs eieio-loaddefs password-cache json map url-vars seq gv subr-x
byte-opt bytecomp byte-compile cconv cl-loaddefs cl-lib iso-transl
tooltip eldoc paren electric uniquify ediff-hook vc-hooks
lisp-float-type elisp-mode mwheel term/x-win x-win term/common-win x-dnd
tool-bar dnd fontset image regexp-opt fringe tabulated-list replace
newcomment text-mode lisp-mode prog-mode register page tab-bar menu-bar
rfn-eshadow isearch easymenu timer select scroll-bar mouse jit-lock
font-lock syntax font-core term/tty-colors frame minibuffer cl-generic
cham georgian utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao
korean japanese eucjp-ms cp51932 hebrew greek romanian slovak czech
european ethiopic indian cyrillic chinese composite emoji-zwj charscript
charprop case-table epa-hook jka-cmpr-hook help simple abbrev obarray
cl-preloaded nadvice button loaddefs faces cus-face macroexp files
window text-properties overlay sha1 md5 base64 format env code-pages
mule custom widget hashtable-print-readable backquote threads dbusbind
inotify lcms2 dynamic-setting system-font-setting font-render-setting
cairo move-toolbar gtk x-toolkit x multi-tty make-network-process
native-compile emacs)
Memory information:
((conses 16 590905 90110)
(symbols 48 35955 4)
(strings 32 140075 9035)
(string-bytes 1 4717821)
(vectors 16 74556)
(vector-slots 8 2007615 281998)
(floats 8 625 647)
(intervals 56 15481 1242)
(buffers 992 74))
- bug#51926: 29.0.50; Narrow to defun fails with Javascript async functions,
Matthias Meulien <=