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-rw-r--r--library/demos/square2
1 files changed, 1 insertions, 1 deletions
diff --git a/library/demos/square b/library/demos/square
index 5b5ca24..ca7b42a 100644
--- a/library/demos/square
+++ b/library/demos/square
@@ -1,6 +1,6 @@
#!/bin/sh
# the next line restarts using wish \
-exec wish "$0" "$@"
+exec wish "$0" ${1+"$@"}
# square --
# This script generates a demo application containing only a "square"