ref: b0a059537147237e868b4a8f07922ae8a349e55c
dir: /sys/src/cmd/test/patch/header.patch/
diff should handle headers just fine, so this file contains a few lines of header and footer, with a couple of false starts, consisting of lines starting with --- some words but no immediately following +++ words lines --- header.in +++ header.out @@ -1,3 +1,5 @@ +1 +2 3 4 5 @@ -10,8 +12,8 @@ 12 13 14 -13 -12 +15 +16 17 18 19 @@ -35,6 +37,8 @@ 37 38 39 +40 +41 42 43 44 @@ -80,6 +84,7 @@ 84 85 86 +87 88 89 90 @@ -91,3 +96,5 @@ 96 97 98 +99 +100 -- signature footer: should not get picked up and here is the footer that should also be ignored.