ref: a1bea530d1d28fb1ae27d50f56a2f5fb6c92e3a3
dir: /sys/src/cmd/diff/test/diff-t6.expected/
--- diff-t6.1 +++ diff-t6.2 @@ -6,4 +6,4 @@ Before reporting a bug, please try to reproduce it with the latest version of the code. With bug reports, please try to ensure that enough information to reproduce the problem is enclosed, and if a -known fix for it exists, include that as well. +known fix for it exists, include that as well.