<!ELEMENT ladspa (global+,plugin+)>
<!ATTLIST ladspa version CDATA "1.0">

<!ELEMENT global (meta+,code?,p*)>

<!ELEMENT meta EMPTY>
<!ATTLIST meta name  (maker|copyright|properties) #REQUIRED
               value CDATA                        #REQUIRED>

<!ELEMENT code (#PCDATA)>

<!ELEMENT p (#PCDATA)>

<!ELEMENT plugin (name,p*,callback+,port+,instance-data*)>
<!ATTLIST plugin label CDATA #REQUIRED
                 id    CDATA #REQUIRED>

<!ELEMENT name (#PCDATA)>

<!ELEMENT callback (#PCDATA)>
<!ATTLIST callback event (run|instatiate|activate|cleanup) #REQUIRED>

<!ELEMENT port (name, range*, p*)>
<!ATTLIST port label CDATA           #REQUIRED
               dir   (input|output)  #REQUIRED
               type  (audio|control) #REQUIRED>

<!ELEMENT range EMPTY>
<!ATTLIST range min CDATA #REQUIRED
                max CDATA #REQUIRED>

<!ELEMENT instance-data EMPTY>
<!ATTLIST instance-data label CDATA #REQUIRED
                        type  CDATA #REQUIRED>