`type token =`

1. `| FIELD of string * (Format822.loc * string)`
2. `| CONT of Format822.loc * string`
3. `| BLANKLINE`
4. `| EOF`
5. `| PGPHEAD`

`val doc_822 : (Stdlib.Lexing.lexbuf -> token) -> Stdlib.Lexing.lexbuf -> Format822.doc`
`val stanza_822 : (Stdlib.Lexing.lexbuf -> token) -> Stdlib.Lexing.lexbuf -> Format822.stanza option`
`val doc_822_sign : (Stdlib.Lexing.lexbuf -> token) -> Stdlib.Lexing.lexbuf -> Format822.stanza option`