You can search for identifiers within the package.
in-package search v0.2.0
type token =
| TVAR of string
| TPAREN_RIGHT
| TPAREN_LEFT
| TLAMBDA
| TEOF
| TDOT
exception Error
val prog : (Stdlib.Lexing.lexbuf -> token) -> Stdlib.Lexing.lexbuf -> L.term