<!ENTITY % id.attr 
          'id ID #REQUIRED'
> 

<!ENTITY % href.attr 
          'href      CDATA     #IMPLIED 
           xml:link  CDATA     #FIXED "simple" 
           show      CDATA     #FIXED "embed" 
           actuate   CDATA     #FIXED "auto"'
> 

<!-- CHUNK FILE LABEL --> 

<!ELEMENT chunk_file (ch+)> 

<!-- BASIC UNIT LABELS --> 

<!ELEMENT ch (potgov, intro?, aux?, cop?, modal?, caus?)> 
<!ATTLIST ch 
          type     (ADJ|PA|ADV|SUBORD|N|P|FV|G|I|PART|Di|ADJ_PART|COORD|U) #REQUIRED
          broken   (Y | N)                                                 #IMPLIED 
          %id.attr;
          %href.attr;> 

<!ELEMENT potgov EMPTY> 
<!ATTLIST potgov 
          %id.attr;
          %href.attr;> 

<!ELEMENT intro EMPTY> 
<!ATTLIST intro 
          %id.attr;
          %href.attr;> 

<!ELEMENT aux EMPTY> 
<!ATTLIST aux 
          %id.attr;
          %href.attr;> 

<!ELEMENT cop EMPTY> 
<!ATTLIST cop 
          %id.attr;
          %href.attr;> 

<!ELEMENT modal EMPTY> 
<!ATTLIST modal 
          %id.attr;
          %href.attr;> 

<!ELEMENT caus EMPTY> 
<!ATTLIST caus 
          %id.attr;
          %href.attr;>