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-rw-r--r--doc/exit.n2
1 files changed, 1 insertions, 1 deletions
diff --git a/doc/exit.n b/doc/exit.n
index ab5c87d..9b4ad20 100644
--- a/doc/exit.n
+++ b/doc/exit.n
@@ -35,7 +35,7 @@ proc main {} {
if {[catch {main} msg options]} {
puts stderr "unexpected script error: $msg"
- if {[info exist env(DEBUG)]} {
+ if {[info exists env(DEBUG)]} {
puts stderr "---- BEGIN TRACE ----"
puts stderr [dict get $options -errorinfo]
puts stderr "---- END TRACE ----"