• PublicationFormatter
• Text Submission
• idnits

Build the initial text converter, then go on with the 2to3 converter, preptool, and plaintext xml2rfc. At that point, interleave the idnits rewrite, and a second round of the plaintext converter (the first round would emit xml useful with the current xml2rfc, while the second round would emit v3 xml2rfc) and then finish with the html xml2rfc and pdf xml2rfc.

• svgcheck
• RFClint
• XML Diff

Phase 1: Most RFClint functionality, svgchecker, xmldiff (outputting a basic html file)

Phase 2: add interactive aspell to rfclint, xmldiff (advanced html file output), issue fixes

Phase 3: issue fixes