Don't shadow funcs and combos.

thun/gnu-prolog/meta-defs.pl

@@ -6,9 +6,12 @@ do :- assert_defs(`defs.txt`), print_defs, halt.
 
 joy_def(def(Def, Body)) --> symbol(Def), blanks, "==", joy_parse(Body).
 
-joy_defs --> blanks, joy_def(Def), {assert_def(Def)}, blanks, joy_defs.
+joy_def --> joy_def(Def), {ignore(assert_def(Def))}.
+
+joy_defs --> blanks, joy_def, blanks, joy_defs.
 joy_defs --> [].
 
+
 assert_defs(DefsFile) :-
     read_file_to_codes(DefsFile, Codes, []),
     phrase(joy_defs, Codes).
@@ -42,3 +45,7 @@ print_defs :-
 
 print_def(Stream, Def) :- write(Stream, Def), write(Stream, `.`), nl(Stream).
 
+
+ignore(Goal) :- Goal, !.
+ignore(_).
+