This specification includes an EBML Schema that defines the Elements and structure
of Matroska using the EBML Schema elements and attributes defined in [@!RFC8794, section 11.1].
The EBML Schema defines every valid Matroska element in a manner defined by the EBML specification [@!RFC8794].
Attributes using their default value (like minOccurs, minver, etc.) or attributes with undefined values (like length, maxver, etc.) are omitted.
The definitions for each Matroska Element are provided below.