[hackers] [scroll] describe default behavior of scroll || Jan Klemkow

[git]

commit d5b72e0c65cbaed8b59b9c3c23f5f3fa0dce53b3
Author:     Jan Klemkow <j.klem...@wemelug.de>
AuthorDate: Sun Apr 12 00:12:03 2020 +0200
Commit:     Jan Klemkow <j.klem...@wemelug.de>
CommitDate: Sun Apr 12 00:12:03 2020 +0200

    describe default behavior of scroll

diff --git a/scroll.1 b/scroll.1
index f6fa3b1..2b892ec 100644
--- a/scroll.1
+++ b/scroll.1
@@ -30,6 +30,11 @@ The
 utility saves output lines from the child
 .Ar program
 to use them for scrollback.
+If
+.Ar program
+is not set,
+.Nm
+starts the users default shell.
 .Pp
 The options are as follows:
 .Bl -tag -width Ds