thread.rb in sup-0.17.0

- old
+ new

@@ -1,4 +1,6 @@
+# encoding: UTF-8
+#
 ## Herein lies all the code responsible for threading messages. It's
 ## basically an online version of the JWZ threading algorithm:
 ## http://www.jwz.org/doc/threading.html
 ##
 ## I didn't implement it for efficiency, but thanks to our search