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

 %SYSTEM; 
         ^
Entity: line 1: 
A<lbbbbbbbbbbbbbbbbbbb_
^
Entity: line 1: parser error : DOCTYPE improperly terminated
 %SYSTEM; 
         ^
Entity: line 1: 
A<lbbbbbbbbbbbbbbbbbbb_
^
./test/errors/754946.xml:1: parser error : Start tag doesn't start and stop in the same entity
>%SYSTEM;<![
         ^
./test/errors/754946.xml:1: parser error : Extra content at the end of the document
>%SYSTEM;<![
         ^