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author | Kenichi Handa <handa@m17n.org> | 2010-10-20 09:46:21 +0900 |
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committer | Kenichi Handa <handa@m17n.org> | 2010-10-20 09:46:21 +0900 |
commit | cf5314c93a722b73cbf0f3607bea152d79c3df7b (patch) | |
tree | 0722bb3e26bbf3dbfec1b8d240ea1e1bf16989f2 /lisp/emacs-lisp/regexp-opt.el | |
parent | 52ce289046a06a2ed342a796dbf3050e51dcb615 (diff) | |
parent | 7c3f6228fffbbd96f7a85e1617c9d99d178d605b (diff) | |
download | emacs-cf5314c93a722b73cbf0f3607bea152d79c3df7b.tar.gz emacs-cf5314c93a722b73cbf0f3607bea152d79c3df7b.tar.bz2 emacs-cf5314c93a722b73cbf0f3607bea152d79c3df7b.zip |
merge emacs-23
Diffstat (limited to 'lisp/emacs-lisp/regexp-opt.el')
-rw-r--r-- | lisp/emacs-lisp/regexp-opt.el | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/lisp/emacs-lisp/regexp-opt.el b/lisp/emacs-lisp/regexp-opt.el index 78eba19a253..f70ad4047a7 100644 --- a/lisp/emacs-lisp/regexp-opt.el +++ b/lisp/emacs-lisp/regexp-opt.el @@ -136,11 +136,10 @@ This means the number of non-shy regexp grouping constructs (require 'cl)) (defun regexp-opt-group (strings &optional paren lax) - ;; Return a regexp to match a string in the sorted list STRINGS. - ;; If PAREN non-nil, output regexp parentheses around returned regexp. - ;; If LAX non-nil, don't output parentheses if it doesn't require them. - ;; Merges keywords to avoid backtracking in Emacs' regexp matcher. - + "Return a regexp to match a string in the sorted list STRINGS. +If PAREN non-nil, output regexp parentheses around returned regexp. +If LAX non-nil, don't output parentheses if it doesn't require them. +Merges keywords to avoid backtracking in Emacs' regexp matcher." ;; The basic idea is to find the shortest common prefix or suffix, remove it ;; and recurse. If there is no prefix, we divide the list into two so that ;; \(at least) one half will have at least a one-character common prefix. @@ -234,9 +233,7 @@ This means the number of non-shy regexp grouping constructs (defun regexp-opt-charset (chars) - ;; - ;; Return a regexp to match a character in CHARS. - ;; + "Return a regexp to match a character in CHARS." ;; 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. ;; |