many little changes: removed some lint complaints; max_int and max_unsigned

are now constants if NOCROSS is defined; added lexstrict and expr_strict,
and changed calls where needed

lang/cem/cemcom.ansi/LLmessage.c

@@ -22,8 +22,10 @@ LLmessage(tk)	{
 		error("%s missing", symbol2str(tk));
 		insert_token(tk);
 	}
-	else
+	else	{
 		error("%s deleted", symbol2str(DOT));
+	}
+	tk_nmb_at_last_syn_err = token_nmb;
 }
 
 insert_token(tk)