Commit 991b32c3 authored by Richard M. Stallman's avatar Richard M. Stallman
Browse files

(looking-back): Return only t or nil.

parent fd07aeb3
......@@ -2023,11 +2023,12 @@ STRING should be given if the last search was by `string-match' on STRING."
(defun looking-back (regexp &optional limit)
"Return non-nil if text before point matches regular expression REGEXP.
Like `looking-at' except backwards and slower.
Like `looking-at' except matches before point, and is slower.
LIMIT if non-nil speeds up the search by specifying how far back the
match can start."
(re-search-backward (concat "\\(?:" regexp "\\)\\=") limit t)))
(not (null
(re-search-backward (concat "\\(?:" regexp "\\)\\=") limit t)))))
(defconst split-string-default-separators "[ \f\t\n\r\v]+"
"The default value of separators for `split-string'.
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