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-rw-r--r--strcase.scm5
1 files changed, 3 insertions, 2 deletions
diff --git a/strcase.scm b/strcase.scm
index d099bb6..5925354 100644
--- a/strcase.scm
+++ b/strcase.scm
@@ -53,8 +53,9 @@
(lambda (str) (string->symbol (s2cis str)))))
;@
(define symbol-append
- (let ((s2cis (if (equal? "x" (symbol->string 'x))
- string-downcase string-upcase)))
+ (let ((s2cis (cond ((equal? "x" (symbol->string 'X)) string-downcase)
+ ((equal? "X" (symbol->string 'x)) string-upcase)
+ (else identity))))
(lambda args
(string->symbol
(apply string-append