<!ELEMENT udo (node+)                                                             >
<!ELEMENT node (subnode*, ueberschrift, absatz*)                                  >
<!ELEMENT subnode (subsubnode*, ueberschrift, absatz+)                            >
<!ELEMENT subsubnode (subsubsubnode*, ueberschrift, absatz+)                      >
<!ELEMENT subsubsubnode (ueberschrift, absatz+)                                   >
<!ELEMENT ueberschrift (#PCDATA)                                                  >
<!ELEMENT absatz (#PCDATA | fett, unterstrichen, kursiv,leer, newline, itemize)*  >
<!ELEMENT itemize (#PCDATA | li)*                                                 >
<!ELEMENT li (#PCDATA | fett, unterstrichen, kursiv, leer, newline)*              >
<!ELEMENT fett (#PCDATA | unterstrichen, kursiv, leer, newline)*                  >
<!ELEMENT unterstrichen (#PCDATA | fett, kursiv, leer, newline)*                  >
<!ELEMENT kursiv (#PCDATA | fett, unterstrichen, leer, newline)*                  >
<!ELEMENT leer EMPTY                                                              >
<!ELEMENT newline EMPTY                                                           >

<!ATTLIST node inhalt (normal|appendix) normal                                    >
<!ATTLIST subnode inhalt (normal|appendix) normal                                 >
<!ATTLIST subsubnode inhalt (normal|appendix) normal                              >
<!ATTLIST subsubsubnode inhalt (normal|appendix) normal                           >
<!ATTLIST itemize type (button|zahl) button                                       >

<!ENTITY titel "UDO - Universal Document Converter"                               >
