<!-- ABBREVIATIONS --> 

<!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"'
> 

<!-- EDITED TRANSCRIPTION FILE LABEL --> 

<!ELEMENT edit_file (seg+, dys+)> 

<!-- BASIC UNIT LABELS: core scheme --> 

<!ELEMENT seg EMPTY> 
<!ATTLIST seg 
          type     (broken | sic | gap | scomp | ocomp) #REQUIRED 
          rep      CDATA                                #REQUIRED 
          ins      CDATA                                #REQUIRED 
          %id.attr;
          %href.attr;> 

<!--Recommended extensions to the core scheme --> 

<!ELEMENT dys (repair?, reparandum?, signal?)> 
<!ATTLIST dys 
          type     CDATA                                #REQUIRED 
          %id.attr;
          %href.attr;> 

<!-- Optional extensions --> 

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

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

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