You can search for identifiers within the package.
in-package search v0.2.0
tiny_languages.lang_html
Dtd
type origin =
| Core
| Netscape
val is_void : string -> bool
val is_head_element : string -> bool
val is_block : string -> bool
val closes : string -> string -> bool
val stops : string -> string -> bool
val element_origin : string -> origin
val attribute_origin : string -> (string * string) -> origin