sig
type t =
[ `Bad_content of string
| `Bad_document of string
| `Bad_namespace of string
| `Bad_token of string * string * string
| `Decoding_error of string * string
| `Misnested_tag of string * string * (string * string) list
| `Unexpected_eoi of string
| `Unmatched_end_tag of string
| `Unmatched_start_tag of string ]
val to_string : ?location:Markup.location -> Markup.Error.t -> string
end