You can search for identifiers within the package.
in-package search v0.2.0
type t
exception Not_found of string
val make : unit -> t
val copy : t -> t
val string : t -> string -> string -> unit
val html : t -> string -> html -> unit
val fun_html : t -> string -> (< content : html ; page : html > -> string list -> html) -> unit
val fun_string : t -> string -> (< page : html > -> string list -> string) -> unit
val on_error : t -> (string -> string list -> exn -> unit) -> unit