diff options
author | Richard M. Stallman <[email protected]> | 1996-12-07 22:17:50 +0000 |
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committer | Richard M. Stallman <[email protected]> | 1996-12-07 22:17:50 +0000 |
commit | 590571980ed1a8f415c927fd7c728f1e2fa11fb6 (patch) | |
tree | fdb87bc752b17e4ae74908ab95251fb93fe5f219 /lisp/isearch.el | |
parent | c8553837cd0a1b0a87e4e46363d81bb99459f0ff (diff) |
(isearch-no-upper-case-p): Use downcase
so that we handle arbitrary kinds of casification.
Diffstat (limited to 'lisp/isearch.el')
-rw-r--r-- | lisp/isearch.el | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/lisp/isearch.el b/lisp/isearch.el index 1da6f0d9f6..327ec264cc 100644 --- a/lisp/isearch.el +++ b/lisp/isearch.el @@ -1417,11 +1417,15 @@ If there is no completion possible, say so and continue searching." "Return t if there are no upper case chars in STRING. If REGEXP-FLAG is non-nil, disregard letters preceded by `\\' (but not `\\\\') since they have special meaning in a regexp." - (let ((case-fold-search nil)) - (not (string-match (if regexp-flag "\\(^\\|\\\\\\\\\\|[^\\]\\)[A-Z]" - "[A-Z]") - string)))) - + (let (quote-flag (i 0) (len (length string)) found) + (while (and (not found) (< i len)) + (let ((char (aref string i))) + (if (and regexp-flag (eq char ?\\)) + (setq quote-flag (not quote-flag)) + (if (and (not quote-flag) (not (eq char (downcase char)))) + (setq found t)))) + (setq i (1+ i))) + (not found))) ;; Portability functions to support various Emacs versions. |