Package: emacs;
Reported by: nathan <nathan <at> hintonclan.org>
Date: Mon, 15 Sep 2025 22:26:02 UTC
Severity: normal
Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):
From: nathan <nathan <at> hintonclan.org> To: bug-gnu-emacs <at> gnu.org Subject: ruby-mode regex syntax highlighting incorrect Date: Mon, 15 Sep 2025 13:47:42 -0600
When editing a ruby file I did an assignment like this: ```ruby some_var = 10 some_var /= 2 # some_var is now equal to 5 ``` This is a valid operator however the highlighting showed this as being part of a regex string which can be formed like this: ```ruby test_str = 'this is a test string' test_str.match? /test/ # Returns true ``` Here are the cases that I tested. The first col is what I did, the second is what I expected and the third is how it was highlighted: expression # expectation # reality 12/3 # division # division 12 /3 # division # regex 12/ 3 # division # division 12 / 3 # division # division I am not an expert in Ruby syntax but I would imagine that the change would be something like: require two slashes on the same line to highlight it as a regex expression In GNU Emacs 30.1 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.49, cairo version 1.18.4) of 2025-07-18, modified by Debian built on sbuild Windowing system distributor 'The X.Org Foundation', version 11.0.12401006 System Description: Debian GNU/Linux 13 (trixie) Configured using: 'configure --build x86_64-linux-gnu --prefix=/usr --sharedstatedir=/var/lib --libexecdir=/usr/libexec --localstatedir=/var/lib --infodir=/usr/share/info --mandir=/usr/share/man --with-libsystemd --with-pop=yes --enable-locallisppath=/etc/emacs:/usr/local/share/emacs/30.1/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/30.1/site-lisp:/usr/share/emacs/site-lisp --with-sound=alsa --without-gconf --with-mailutils --build x86_64-linux-gnu --prefix=/usr --sharedstatedir=/var/lib --libexecdir=/usr/libexec --localstatedir=/var/lib --infodir=/usr/share/info --mandir=/usr/share/man --with-libsystemd --with-pop=yes --enable-locallisppath=/etc/emacs:/usr/local/share/emacs/30.1/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/30.1/site-lisp:/usr/share/emacs/site-lisp --with-sound=alsa --without-gconf --with-mailutils --with-cairo --with-x=yes --with-x-toolkit=gtk3 --with-toolkit-scroll-bars 'CFLAGS=-g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/emacs-30.1+1=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -fcf-protection -Wall' 'CPPFLAGS=-Wdate-time -D_FORTIFY_SOURCE=2' LDFLAGS=-Wl,-z,relro' Configured features: ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GPM GSETTINGS HARFBUZZ JPEG LCMS2 LIBOTF LIBSELINUX LIBSYSTEMD LIBXML2 M17N_FLT MODULES NATIVE_COMP NOTIFY INOTIFY PDUMPER PNG RSVG SECCOMP SOUND SQLITE3 THREADS TIFF TOOLKIT_SCROLL_BARS TREE_SITTER WEBP X11 XDBE XIM XINPUT2 XPM GTK3 ZLIB Important settings: value of $LANG: en_US.UTF-8 value of $XMODIFIERS: @im=ibus locale-coding-system: utf-8-unix Major mode: Ruby Minor modes in effect: inf-ruby-minor-mode: t global-auto-revert-mode: t display-time-mode: t vhdl-electric-mode: t tooltip-mode: t global-eldoc-mode: t show-paren-mode: t electric-indent-mode: t mouse-wheel-mode: t file-name-shadow-mode: t global-font-lock-mode: t font-lock-mode: t blink-cursor-mode: t minibuffer-regexp-mode: t column-number-mode: t line-number-mode: t transient-mark-mode: t auto-composition-mode: t auto-encryption-mode: t auto-compression-mode: t Load-path shadows: None found. Features: (shadow sort mail-extr emacsbug message yank-media puny rfc822 mml mml-sec epa derived epg rfc6068 epg-config gnus-util mm-decode mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader sendmail rfc2047 rfc2045 ietf-drums mm-util mail-prsvr mail-utils noutline outline jka-compr lisp-mnt finder-inf etags fileloop generator xref project dabbrev comp comp-cstr cl-extra help-mode warnings comp-run comp-common misearch multi-isearch inf-ruby thingatpt ruby-mode kmacro rect time-date vc-git diff-mode track-changes easy-mmode vc-dispatcher yaml-mode pcmpl-unix sh-script rx smie treesit executable files-x shell pcomplete cus-start autorevert filenotify time man dired dired-loaddefs vhdl-mode hippie-exp compile text-property-search comint ansi-osc ansi-color ring cus-edit pp cus-load wid-edit dockerfile-mode-autoloads inf-ruby-autoloads yaml-mode-autoloads package browse-url url url-proxy url-privacy url-expand url-methods url-history url-cookie generate-lisp-file url-domsuf url-util mailcap url-handlers url-parse auth-source cl-seq eieio eieio-core cl-macs icons password-cache json subr-x map byte-opt gv bytecomp byte-compile url-vars cl-loaddefs cl-lib rmc iso-transl tooltip cconv eldoc paren electric uniquify ediff-hook vc-hooks lisp-float-type elisp-mode mwheel term/x-win x-win term/common-win x-dnd touch-screen 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 nadvice seq simple cl-generic indonesian philippine 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 abbrev obarray oclosure cl-preloaded button loaddefs theme-loaddefs faces cus-face macroexp files window text-properties overlay sha1 md5 base64 format env code-pages mule custom widget keymap hashtable-print-readable backquote threads dbusbind inotify lcms2 dynamic-setting system-font-setting font-render-setting cairo gtk x-toolkit xinput2 x multi-tty move-toolbar make-network-process native-compile emacs) Memory information: ((conses 16 284136 22299) (symbols 48 17187 0) (strings 32 60481 3751) (string-bytes 1 1717419) (vectors 16 28207) (vector-slots 8 360360 16523) (floats 8 89 968) (intervals 56 10023 0) (buffers 992 25))
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