From fd2efba485eeca4ee93c475f97bb3e1bffc52269 Mon Sep 17 00:00:00 2001
From: Ian Kelling <iank@fsf.org>
Date: Fri, 2 Aug 2019 07:56:36 -0400
Subject: [PATCH] minor comment

---
 err | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/err b/err
index 580183c..73013a8 100644
--- a/err
+++ b/err
@@ -78,7 +78,8 @@ err-catch() {
     echo "${BASH_SOURCE[1]}:${BASH_LINENO[0]}: \`$BASH_COMMAND' returned $err"
     err-bash-trace 2
     set -e # err trap does not work within an error trap
-    "${_errcatch_cleanup[@]:-:}" # note :-: is to be compatible with set -u
+    # note :-: makes this compatible with set -u. shellcheck doesn't understand.
+    "${_errcatch_cleanup[@]:-:}"
     echo "$0: exiting with code $err"
     exit $err
   }
-- 
2.25.1