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-rw-r--r--library/demos/timer3
1 files changed, 3 insertions, 0 deletions
diff --git a/library/demos/timer b/library/demos/timer
index cfa3651..694227f 100644
--- a/library/demos/timer
+++ b/library/demos/timer
@@ -5,6 +5,9 @@ exec wish "$0" "$@"
# timer --
# This script generates a counter with start and stop buttons.
+package require Tcl 8.4
+package require Tk
+
label .counter -text 0.00 -relief raised -width 10 -padx 2m -pady 1m
button .start -text Start -command {
if {$stopped} {