commit a5b442ce01b80a758606ede316f739426a12bc33
Author: Andreas Gruenbacher <agruen@gnu.org>
Date:   Thu Jun 27 11:09:31 2019 +0200

    Skip "ed" test when the ed utility is not installed
    
    * tests/ed-style: Require ed.

diff --git a/tests/ed-style b/tests/ed-style
index 504e6e5..9907cb6 100644
--- a/tests/ed-style
+++ b/tests/ed-style
@@ -7,6 +7,7 @@
 . $srcdir/test-lib.sh
 
 require cat
+require ed
 use_local_patch
 use_tmpdir