- implement .bad tests
- finish decimal support
- finish dateTime support (hah)
- line/col in error messages
- memory leak testing
- do work in check_contents to avoid printing gobs of content
- XML::Validator::Schema::Simple
- correct namespace processing
- make sure empty content models work
- enforce wierd <all> placement and container-ship rules
- guard against <element><element/><element>
- add Schema_Type field to SAX data-structures
- add document_locator to Expat SAX parser
- groups, ugh
- support more ways to find schema files (schemaLocation)
