--- a/tests/README
+++ b/tests/README
@@ -28,7 +28,8 @@ writing tests:
- diff will show the current time
- use hg diff | sed "s/\(\(---\|+++\).*\)\t.*/\1/" to strip dates
+ use hg diff | sed "s/\(\(---\|+++\) [^ \t]*\)[ \t].*/\1/" to strip
+ dates
- set -x and pipelines don't generate stable output