The Parser is best used with accessible documents that follow the guidelines set by MOECC. The guidlines are outlined Best Practices.docx. Note this file is a compiled of various accessibility standards set by the following:
http://intra.net.gov.on.ca/itaccessibility/pdf-accessibility-resources/ http://intra.net.gov.on.ca/diversity/files/2013/10/Accessible_PDFs.doc http://intra.net.gov.on.ca/diversity/files/2013/10/Dos_and_Donts.doc http://adod.idrc.ocad.ca/