{"ast_node_type":"other","tokens":[{"end":97,"kind":"keyword","start":0,"text":"//!"}]}
//! current state, namely `MacroState`, to an environment of nested macro definitions. Each state
//! When checking the RHS of an outer macro and we detect a nested macro definition, we push the
//! stores the LHS binders when entering the macro definition as well as the stack of Kleene