Akim Demaille 2f83ef57f3 yacc.c: push: undefine the pstate macros for the epilogue ...

* data/skeletons/yacc.c (b4_macro_define, b4_macro_undef)
(b4_pstate_macro_define, b4_parse_state_variable_macros):
New.
Use them.
* examples/c/bistromathic/parse.y: Remove now useless undefs.

2020-03-05 07:26:49 +01:00

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