Three macros are used in perl extensions

They were marked as core-only.

Author: khwilliamson

embed.fnc

@@ -4492,7 +4492,7 @@ ERXp	|SV *	|add_range_to_invlist_					\
 				|NULLOK SV *invlist			\
 				|UV start				\
 				|UV end
-m	|void	|invlist_intersection_					\
+Em	|void	|invlist_intersection_					\
 				|NN SV * const a			\
 				|NN SV * const b			\
 				|NN SV **i
@@ -4502,11 +4502,11 @@ EXp	|void	|invlist_intersection_maybe_complement_2nd_		\
 				|const bool complement_b		\
 				|NN SV **i
 EXp	|void	|invlist_invert_|NN SV * const invlist
-m	|void	|invlist_subtract_					\
+Em	|void	|invlist_subtract_					\
 				|NN SV * const a			\
 				|NN SV * const b			\
 				|NN SV **result
-m	|void	|invlist_union_ |NULLOK SV * const a			\
+Em	|void	|invlist_union_ |NULLOK SV * const a			\
 				|NN SV * const b			\
 				|NN SV **output
 EXp	|void	|invlist_union_maybe_complement_2nd_			\

handy.h

@@ -450,7 +450,7 @@ a string/length pair.
 
 
 /*
-=for apidoc_defn mx|void|lex_stuff_pvs|"pv"|U32 flags
+=for apidoc_defn Emx|void|lex_stuff_pvs|"pv"|U32 flags
 
 =cut
 */