You can search for identifiers within the package.
in-package search v0.2.0
type token =
| Name of string
| LParen
| RParen
| Equal
| PlusEqual
| Minus
| Comma
| String of string
| Space
| Newline
| Eof
| Unknown
val name_tok : token -> string option
val string_tok : token -> string option
val const_tok : token -> token -> unit option