<!ELEMENT characterMapping (history?, validity?, assignments, contexts?)>

<!ATTLIST characterMapping
    id CDATA #REQUIRED
    version NMTOKEN #REQUIRED
    description CDATA #IMPLIED
    contact CDATA #IMPLIED
    registrationAuthority CDATA #IMPLIED
    registrationName CDATA #IMPLIED
    copyright CDATA #IMPLIED
    bidiOrder (RTL|LTR|logical) "logical"
    normalization (undetermined|neither|NFC|NFD|NFC_NFD) "undetermined"
    byte-font CDATA #IMPLIED
    unicode-font CDATA #IMPLIED
>

<!ELEMENT history (modified)+>

<!ELEMENT modified (#PCDATA)>
<!ATTLIST modified
    version NMTOKEN #REQUIRED
    date NMTOKEN #REQUIRED
>

<!ELEMENT validity (illegal | legal)+>
<!ELEMENT illegal EMPTY>
<!ATTLIST illegal
    type NMTOKEN "start"
    s NMTOKENS #REQUIRED
    e NMTOKENS "-1"
>
<!ELEMENT legal EMPTY>
<!ATTLIST legal
    type NMTOKEN "start"
    s NMTOKENS #REQUIRED
    e NMTOKENS "-1"
    next NMTOKENS "end"
>

<!ELEMENT assignments (a | fbu | fub | range | ordering)+>
<!ATTLIST assignments
    sub NMTOKEN "1A"
>

<!ELEMENT a EMPTY>
<!ATTLIST a
    b NMTOKENS #REQUIRED
    u NMTOKENS #REQUIRED
    c CDATA #IMPLIED
    v NMTOKEN #IMPLIED
    bactxt NMTOKENS #IMPLIED
    bbctxt NMTOKENS #IMPLIED
    uactxt NMTOKENS #IMPLIED
    ubctxt NMTOKENS #IMPLIED
    priority NMTOKEN #IMPLIED
>

<!ELEMENT fbu EMPTY>
<!ATTLIST fbu
    b NMTOKENS #REQUIRED
    u NMTOKENS #REQUIRED
    v NMTOKEN #IMPLIED
    bactxt NMTOKENS #IMPLIED
    bbctxt NMTOKENS #IMPLIED
    uactxt NMTOKENS #IMPLIED
    ubctxt NMTOKENS #IMPLIED
    priority NMTOKEN #IMPLIED
>

<!ELEMENT fub EMPTY>
<!ATTLIST fub
    b NMTOKENS #REQUIRED
    u NMTOKENS #REQUIRED
    c CDATA #IMPLIED
    v NMTOKEN #IMPLIED
    bactxt NMTOKENS #IMPLIED
    bbctxt NMTOKENS #IMPLIED
    uactxt NMTOKENS #IMPLIED
    ubctxt NMTOKENS #IMPLIED
    priority NMTOKEN #IMPLIED
    ru CDATA #IMPLIED
    rc CDATA #IMPLIED
>

<!ELEMENT range EMPTY>
<!ATTLIST range
    bFirst NMTOKENS #REQUIRED
    bLast NMTOKENS #REQUIRED
    uFirst NMTOKENS #REQUIRED
    uLast NMTOKENS #REQUIRED
    bMin NMTOKENS #IMPLIED
    bMax NMTOKENS #IMPLIED
    v NMTOKEN #IMPLIED
>

<!ELEMENT ordering (order)+>
<!ATTLIST ordering
    side (unicode|bytes) #REQUIRED
>

<!ELEMENT order EMPTY>
<!ATTLIST order
    b CDATA #REQUIRED
    u CDATA #REQUIRED
>

<!ELEMENT contexts (group | class)+>

<!ELEMENT group (group | class-ref | context-ref | eos)+>
<!ATTLIST group
    id NMTOKEN #IMPLIED
    alt (0|1) "0"
    min CDATA #IMPLIED
    max CDATA #IMPLIED
>

<!ELEMENT class-ref EMPTY>
<!ATTLIST class-ref
    name NMTOKEN #REQUIRED
    id NMTOKEN #IMPLIED
    min CDATA #IMPLIED
    max CDATA #IMPLIED
    neg (0|1) "0"
>

<!ELEMENT context-ref EMPTY>
<!ATTLIST context-ref
    name CDATA #REQUIRED
    id NMTOKEN #IMPLIED
    min CDATA #IMPLIED
    max CDATA #IMPLIED
>

<!ELEMENT eos EMPTY>

<!ELEMENT class (#PCDATA | class-include | class-range)*>
<!ATTLIST class
    name CDATA #REQUIRED
    size (unicode|bytes) "unicode"
>

<!ELEMENT class-include EMPTY>
<!ATTLIST class-include
    name NMTOKEN #REQUIRED
>

<!ELEMENT class-range EMPTY>
<!ATTLIST class-range
    first NMTOKEN #REQUIRED
    last NMTOKEN #REQUIRED
>