Used in the DTD.
Including entities for the character set:
<!ENTITY % ISOlat1 PUBLIC
"ISO 8879-1986//ENTITIES Added Latin 1//EN">
%ISOlat1;
Compact repetitive definitions:
<!ENTITY % a.global '
id ID #IMPLIED
n CDATA #IMPLIED
lang IDREF #IMPLIED' >
<!ATTLIST cesCorpus %a.global;
type CDATA #IMPLIED
version CDATA #REQUIRED >