Improved XML declaration parsing rule
Added support for text declarations in general entities; Added external entity support for XML parser test runner
Implemented external subset expansion
External parameter entity references between markup declarations
Inlined inline general entity parser
Simplified internal entity processing
Changed how entity outside of root element error is reported
Unify internal and external parsed entity processings
Drop pseudo-token
Fixed error location in PEs
cleanup
Experimentally converts some markup declaration tokenization rules to declarative form;
Implements expansion of PEs in some parts of markup declarations
Implemented perefs in attlist declaration
Implemented parameter entity references in ENTITY declarations
rewritten content model tokenization
Implemented parameter entity references in content models
Implemented external parameter entity expansion in markup declarations
Implemented parmaeter entities in entity values
Disallow parameter entities in internal subset
Implemented parsing of XML marked sections