Sean Farley <sean@farley.io> [Mon, 09 Jan 2017 10:51:44 -0800] rev 30806
patch: add similarity config knob in experimental section
This config knob will control whether or not to show the similarity
calculation in the diff output:
diff --git a/README.md b/foo.md
similarity index 88%
rename from README.md
rename to foo.md
--- a/README.md
+++ b/foo.md