Changed the validation process to be able to work in streaming mode. Some * xmlschemas.c xmlschemastypes.c include/libxml/schemasInternals.h include/libxml/xmlschemastypes.h: Changed the validation process to be able to work in streaming mode. Some datatype fixes, especially for list and union types. Due to the changes the error report output has changed in most cases. Initial migration to functions usable by both, the parser and the validator. This should ease a yet-to-come XS construction API in the long term as well.