You can search for identifiers within the package.
in-package search v0.2.0
spectrum
Spectrum
module Capabilities : sig ... end
module Lexer : sig ... end
module type Printer = sig ... end
val stack_to_esc : string Stack.t -> string
val make_printer : bool -> (module Printer)
module Exn : Printer
module Noexn : Printer
include module type of struct include Noexn end
val prepare_ppf : Format.formatter -> unit -> unit
module Simple = Noexn.Simple