From: Lars Ingebrigtsen <larsi@gnus.org>
Date: Tue, 7 Jun 2022 18:28:05 +0000 (+0200)
Subject: Give ,@ a prefix syntax in elisp-mode
X-Git-Tag: emacs-29.0.90~1910^2~165
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=d003848b5e3ad2dfbe84cc62b99776fdc6734325;p=emacs.git

Give ,@ a prefix syntax in elisp-mode

* lisp/progmodes/elisp-mode.el (elisp-mode-syntax-propertize):
Give ,@ a prefix syntax so that we can properly identify symbols
that follow it, i.e., ,@foo (bug#44418).
---

diff --git a/lisp/progmodes/elisp-mode.el b/lisp/progmodes/elisp-mode.el
index 77bf3f1ed18..210270bc679 100644
--- a/lisp/progmodes/elisp-mode.el
+++ b/lisp/progmodes/elisp-mode.el
@@ -245,6 +245,9 @@ Comments in the form will be lost."
       ;; Empty symbol.
       ("##" (0 (unless (nth 8 (syntax-ppss))
                  (string-to-syntax "_"))))
+      ;; Give ,@ a prefix syntax.
+      (",@" (0 (unless (ppss-comment-or-string-start (syntax-ppss))
+                 (string-to-syntax "'"))))
       ;; Unicode character names.  (The longest name is 88 characters
       ;; long.)
       ("\\?\\\\N{[-A-Za-z0-9 ]\\{,100\\}}"