Grammar rules to make the epilogue declaration optional in the parser input

[ydah]

diff --git a/lib/lrama/grammar/stdlib.y b/lib/lrama/grammar/stdlib.y
index fc20e0a0d0..b6196d91c3 100644
--- a/lib/lrama/grammar/stdlib.y
+++ b/lib/lrama/grammar/stdlib.y
@@ -116,7 +116,3 @@
  */
 %rule separated_list(separator, X): option(separated_nonempty_list(separator, X))
                                   ;
-
-%%
-
-%union{};

[yui-knk]

Do we need to take care of "template/bison/_yacc.h" if union is nullable?

[ydah]

Do we need to take care of "template/bison/_yacc.h" if union is nullable?

I tried to take care of it. How about this?

[yui-knk]

Could you squash the commits into one?

[ydah]

Could you squash the commits into one?

I squash these commits!