diff --git a/tests/test-grep.out b/tests/test-grep.out
--- a/tests/test-grep.out
+++ b/tests/test-grep.out
@@ -32,3 +32,8 @@ color:3:orange
 color:3:+:orange
 color:2:-:orange
 color:1:+:orange
+% issue 685
+adding color
+color:0:octarine
+colour:1:octarine
+colour:1:octarine