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authorRichard M. Stallman <[email protected]>2003-01-20 09:00:48 +0000
committerRichard M. Stallman <[email protected]>2003-01-20 09:00:48 +0000
commit2afd5e90eb946a0e70547e56a4c705d7d0d4cb7f (patch)
treec2f9eeddfc520a9a6abd7325b1fa8d4c8c240814 /lisp
parent34a463f1b1edce2f14903bd45b27b0f08702dfea (diff)
(regexp-opt-group): Compute HALF2 properly.
Diffstat (limited to 'lisp')
-rw-r--r--lisp/emacs-lisp/regexp-opt.el5
1 files changed, 4 insertions, 1 deletions
diff --git a/lisp/emacs-lisp/regexp-opt.el b/lisp/emacs-lisp/regexp-opt.el
index b746c8a22f..ea80801b61 100644
--- a/lisp/emacs-lisp/regexp-opt.el
+++ b/lisp/emacs-lisp/regexp-opt.el
@@ -223,7 +223,10 @@ so we can use character sets rather than grouping parenthesis."
;; particular letter and those that do not, and recurse on them.
(let* ((char (char-to-string (string-to-char (car strings))))
(half1 (all-completions char strings))
- (half2 (nthcdr (length half1) strings)))
+ (half2 strings))
+ ;; Remove from HALF2 whatever is in HALF1.
+ (dolist (elt half1)
+ (setq half2 (delq elt half2)))
(concat open-group
(regexp-opt-group half1)
"\\|" (regexp-opt-group half2)