This references petros/playground#1

Petros Amiridis · web-flow · commit afed86baebac · 2016-09-23T12:33:52.000+03:00
diff --git a/test.md b/test.md
@@ -3,3 +3,4 @@ Test
 Test  
 Yesp  
 Test  
+I am testing commit issue references

-Original file line number
+Diff line change
 Test
 Yesp
 Test
 +I am testing commit issue references