Documentation: clarify effects of -- <path> arguments

diff --git a/t/lib-t6000.sh b/t/lib-t6000.sh
index 985d517a1ce4cf2f80eed3d54c25b5fc912d5c6b..ea25dd89e505525507c16c62d91fb07c092b064a 100644 (file)
--- a/t/lib-t6000.sh
+++ b/t/lib-t6000.sh
@@ -91,7 +91,7 @@ check_output()
        shift 1
        if eval "$*" | entag > $_name.actual
        then
-               diff $_name.expected $_name.actual
+               test_cmp $_name.expected $_name.actual
        else
                return 1;
        fi