You can search for identifiers within the package.
in-package search v0.2.0
type macro = [
| `Literal of string
| `Macro of char * (int option * bool) * string
| `Macro_encoded_space
| `Macro_space
| `Macro_percent
]
type t = macro list * string option
val to_string : t -> string
val pp : t Fmt.t
val expand_string : ctx -> string -> ([ `raw ] Domain_name.t, [> `Msg of string ]) result