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Don't signal an error on re-builder startup with rx syntax

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* lisp/emacs-lisp/re-builder.el (reb-initialize-buffer): Make
startup with rx syntax not signal an error (bug#54107).
This commit is contained in:
Lars Ingebrigtsen 2022-02-22 14:43:35 +01:00
parent 85567d5798
commit c6465d65fa
1 changed files with 4 additions and 1 deletions
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5
lisp/emacs-lisp/re-builder.el
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@ -323,7 +323,10 @@ Except for Lisp syntax this is the same as `reb-regexp'.")
(reb-lisp-mode))
(t (reb-mode)))
(reb-restart-font-lock)
(reb-do-update))
;; When using `rx' syntax, the initial syntax () is invalid. But
;; don't signal an error in that case.
(ignore-errors
(reb-do-update)))
(defun reb-mode-buffer-p ()
"Return non-nil if the current buffer is a RE Builder buffer."