From b7086e63e08786fe74ac93d6e1f08b549ce69af3 Mon Sep 17 00:00:00 2001
From: Mischa POSLAWSKY <perl@shiar.org>
Date: Fri, 18 Nov 2022 20:12:02 +0100
Subject: [PATCH] explain -w default (COLUMNS environment)

---
 barcat | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/barcat b/barcat
index e3d291b..edc12bf 100755
--- a/barcat
+++ b/barcat
@@ -585,7 +585,9 @@ Reserved space for numbers.
 =item -w, --width=<columns>
 
 Override the maximum number of columns to use.
-Appended graphics will extend to fill up the entire screen.
+Appended graphics will extend to fill up the entire screen,
+otherwise determined by the environment variable I<COLUMNS>
+or by running the C<tput> command.
 
 =item -h, --usage
 
-- 
2.30.0