UID-param = UID-uri-param / UID-text-param
UID-value = UID-uri-value / UID-text-value
  ; Value and parameter MUST match.

UID-uri-param = "VALUE=uri"
UID-uri-value = URI

UID-text-param = "VALUE=text"
UID-text-value = text

UID-param =/ any-param
