Entity: line 1: parser error : internal error: xmlParseInternalSubset: error detected in Markup declaration

 %defroot; 
          ^
Entity: line 1: 
<!ELEMENT root (middle) >
^
Entity: line 1: parser error : DOCTYPE improperly terminated
 %defroot; 
          ^
Entity: line 1: 
<!ELEMENT root (middle) >
^
./test/valid/t8.xml : failed to parse