Comment.

src/fancy-parser.messages

@@ -155,7 +155,7 @@ PERCENTPERCENT UID COLON UID LPAREN ACTION UID
 # possible, such as BAR, simply because they will NOT take us into this state.
 # This is a manifestation of the fact that non-canonical automata ``reduce too
 # far'' and can enter a state that they should not enter, before they detect
-# the error. Again, let's back up to a safe level of abstraction.
+# the error. Again, let's back up to a safe (?) level of abstraction.
 PERCENTPERCENT UID COLON LID EQUAL UID PLUS TYPE 
 PERCENTPERCENT UID COLON UID LPAREN UID STAR TYPE 
 PERCENTPERCENT UID COLON UID LPAREN UID LPAREN LID RPAREN TYPE