'pdfmime' is a proposed update to RFC 3778 that registers the application/pdf MIME type. It was originally a part of the masinter/pdfrfc project.
Creating Internet Drafts
Use xml2rfc to convert .xml file into .html and .txt
xml2rfc pdfmime.xml --text --html
Be sure to update the file version number in the xml file before submitting.
Best if you use xml2rfc but here are links that will convert the latest 'develop' branch: