(neg-nls): New test.

diff --git a/tests/sort/Test.pm b/tests/sort/Test.pm
index 71c8813..21c74b1 100755 (executable)
--- a/tests/sort/Test.pm
+++ b/tests/sort/Test.pm
@@ -203,6 +203,9 @@ my @tv = (
 # From Will Edgington.
 ["o-no-file1", '-o no-such-file no-such-file', {}, '', 2],
 
+# From Paul Eggert.  This was fixed in textutils-1.22k.
+["neg-nls", '-n', "-1\n-9\n", "-9\n-1\n", 0],
+
 );
 
 sub test_vector