fact: Definition ritem_with_action := { it : ritem Char & action_of_ritem it }.
imports: Coq.Strings.String Coq.Lists.List Fiat.Parsers.ContextFreeGrammar.Core Fiat.Parsers.ContextFreeGrammar.Reflective Fiat.Common.List.Operations Fiat.Common.Equality Fiat.Common.Gensym