TODO in unparser-0.1.5 vs TODO in unparser-0.1.6

@@ -1,3 +1,4 @@
-* Refactor Emitter::Send, it is ugly.
+* Create an AST preprocessor that creates virtual nodes,
+  removing the need for explicit backreferencing and special cases in the emitter
+  classes.
 * Remove duplicated logic with empty or non empty bodies
-* Handle kwbegin and begin separately