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-rw-r--r--chap.scm6
1 files changed, 3 insertions, 3 deletions
diff --git a/chap.scm b/chap.scm
index ed559c9..6a20aeb 100644
--- a/chap.scm
+++ b/chap.scm
@@ -89,7 +89,7 @@
((char-lower-case? (string-ref s (+ -1 p)))
(chap:inc-string s (+ -1 p)))
(else
- (string-append
+ (string-append
(substring s 0 p)
"a"
(substring s p (string-length s))))))
@@ -99,7 +99,7 @@
((char-upper-case? (string-ref s (+ -1 p)))
(chap:inc-string s (+ -1 p)))
(else
- (string-append
+ (string-append
(substring s 0 p)
"A"
(substring s p (string-length s))))))
@@ -109,7 +109,7 @@
((char-numeric? (string-ref s (+ -1 p)))
(chap:inc-string s (+ -1 p)))
(else
- (string-append
+ (string-append
(substring s 0 p)
"1"
(substring s p (string-length s))))))