--- /tmp/hej/before.txt	2022-12-09 21:33:03.000000000 +0100
+++ /tmp/hej/after.txt	2022-12-09 21:33:07.000000000 +0100
@@ -1,6 +1,6 @@
 Minus to not-minus:
----------------
+xxxxxxxxxxxxxxx
 Not-plus to plus:
-yyyyyyyyyyyyyyy
++++++++++++++++
 Longer case, minus to plus:
----------------
++++++++++++++++