Add copyright

diff --git a/extra/locals/backend/backend.factor b/extra/locals/backend/backend.factor
index 10bed8b5df7b9aacc714c3f2b8c233c4cbd269e6..fd246311713def05e128d4f51a02d50608882249 100644 (file)
--- a/extra/locals/backend/backend.factor
+++ b/extra/locals/backend/backend.factor
@@ -1,3 +1,5 @@
+! Copyright (C) 2008 Slava Pestov.
+! See http://factorcode.org/license.txt for BSD license.
 USING: math kernel slots.private inference.known-words
 inference.backend sequences effects words ;
 IN: locals.backend