You can search for identifiers within the package.
in-package search v0.2.0
val clear : unit -> unit
val node : int -> string -> unit
val node_l : int -> int -> unit
val node_r : int -> int -> unit
val leaf : int -> string -> string -> unit
val leaf_t : int -> string -> int -> unit
val line : int -> int -> unit
val ce : int -> int -> unit
val ok : int -> int -> unit
val skip : int -> int -> unit
val entry : int -> unit
val render : hk:bool -> quote:string -> string
val save : unit -> unit
val restore : unit -> unit