Fix typo.

diff --git a/src/runtime/ustring.scm b/src/runtime/ustring.scm
index 703ea3ad7b1d4dc098493f4b5a1db979e7d52d6d..b4d9b691dc1d8bd949b5cba404b78a1ebcf48e78 100644 (file)
--- a/src/runtime/ustring.scm
+++ b/src/runtime/ustring.scm
@@ -640,11 +640,11 @@ USA.
 (define (ustring-find-last-char string char #!optional start end)
   (ustring-find-last-index (char=-predicate char) string start end))
 
-(define (ustring-find-first-char-in-set string char #!optional start end)
-  (ustring-find-first-index (char-set-predicate char) string start end))
+(define (ustring-find-first-char-in-set string char-set #!optional start end)
+  (ustring-find-first-index (char-set-predicate char-set) string start end))
 
-(define (ustring-find-last-char-in-set string char #!optional start end)
-  (ustring-find-last-index (char-set-predicate char) string start end))
+(define (ustring-find-last-char-in-set string char-set #!optional start end)
+  (ustring-find-last-index (char-set-predicate char-set) string start end))
 \f
 (define (ustring-upcase string)
   (cond ((legacy-string? string) (legacy-string-upcase string))