* selectmodule.c: fix (another!) two memory leaks -- this time in list2set

* tokenizer.[ch]: allow continuation without \ inside () [] {}.

Parser/tokenizer.h

@@ -46,6 +46,8 @@ struct tok_state {
 	int pendin;	/* Pending indents (if > 0) or dedents (if < 0) */
 	char *prompt, *nextprompt;	/* For interactive prompting */
 	int lineno;	/* Current line number */
+	int level;	/* () [] {} Parentheses nesting level */
+			/* Used to allow free continuations inside them */
 };
 
 extern struct tok_state *tok_setups PROTO((char *));