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Diffstat (limited to 'lisp/emacs-lisp/regexp-opt.el')
| -rw-r--r-- | lisp/emacs-lisp/regexp-opt.el | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lisp/emacs-lisp/regexp-opt.el b/lisp/emacs-lisp/regexp-opt.el index 72e3c398dc0..8c64327c0ff 100644 --- a/lisp/emacs-lisp/regexp-opt.el +++ b/lisp/emacs-lisp/regexp-opt.el @@ -234,7 +234,8 @@ Merges keywords to avoid backtracking in Emacs's regexp matcher." (defun regexp-opt-charset (chars) - "Return a regexp to match a character in CHARS." + "Return a regexp to match a character in CHARS. +CHARS should be a list of characters." ;; The basic idea is to find character ranges. Also we take care in the ;; position of character set meta characters in the character set regexp. ;; |