Attach actions to rules, instead of pre-outputting them to

actions_obstack.
* src/gram.h (rule_t): action and action_line are new members.
* src/reader.c (symbol_list): Likewise.
(copy_action): Save the actions within the rule.
(packgram): Save them in rule_table.
* src/output.c (actions_output): New.
(output_parser): Use it on `%%actions'.
(output_rule_data): Don't free rule_table.
(output): Do it.
(prepare): Don't save the `action' muscle.
* src/bison.simple: s/%%action/%%actions/.

src/bison.simple

@@ -891,7 +891,7 @@ yyreduce:
 #endif
   switch (yyn)
     {
-      %%action
+%%actions
     }
 #line %%line "%%skeleton"