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-rw-r--r--tools/tcopy.scm2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/tcopy.scm b/tools/tcopy.scm
index 13fdbd7..0d52cd8 100644
--- a/tools/tcopy.scm
+++ b/tools/tcopy.scm
@@ -19,7 +19,7 @@
(do ((i 0 (+ i 1)))
((= i size))
- (hash-table-set! old-hash (string->symbol (number->string i)) #\a))
+ (hash-table-set! old-hash (string->symbol (number->string i)) #\a)) ; gensym is slower, even with "" as prefix
(copy old-hash old-let)
(let ((new-string (make-string size #\space))