Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|--- a/shell/source/unix/misc/senddoc.sh	2017-06-15 15:44:22.000000000 +0200
|+++ b/shell/source/unix/misc/senddoc.sh	2017-06-25 01:00:08.525435930 +0200
--------------------------
patching file shell/source/unix/misc/senddoc.sh
Using Plan A...
Hunk #1 succeeded at 369 (offset -20 lines).
Hmm...  Ignoring the trailing garbage.
done