Ltac_plugin.G_ltacSourceval genarg_of_ipattern :
Constrexpr.constr_expr Tactypes.intro_pattern_expr CAst.t ->
Genarg.rlevel Genarg.generic_argumentval wit_ltac_production_item :
(string * string option) Tacentries.grammar_tactic_prod_item_expr
Genarg.vernac_genarg_typeval ltac_production_item :
(string * string option) Tacentries.grammar_tactic_prod_item_expr
Procq.Entry.textraargs needs g_ltac to initialize tactic_value