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Diffstat (limited to 'lisp/emacs-lisp/regexp-opt.el')
| -rw-r--r-- | lisp/emacs-lisp/regexp-opt.el | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lisp/emacs-lisp/regexp-opt.el b/lisp/emacs-lisp/regexp-opt.el index e64a3dcea1e..fd9fbbe25a4 100644 --- a/lisp/emacs-lisp/regexp-opt.el +++ b/lisp/emacs-lisp/regexp-opt.el @@ -130,6 +130,7 @@ usually more efficient than that of a simplified version: (concat (car parens) (mapconcat \\='regexp-quote strings \"\\\\|\") (cdr parens))))" + (declare (pure t) (side-effect-free t)) (save-match-data ;; Recurse on the sorted list. (let* ((max-lisp-eval-depth 10000) |