This script takes a downloaded thread from RPoL, and reformats it into something reasonably tidy for importing elsewhere, e.g. a Drupal site.
Written in Python 2.5, doesn't require any external libraries. To use it, find an RPoL thread, click “D/L” at the top right. Keep the default options, and request the download. Take the page it produces and save it (File > Save As… or whatever) in the same directory as the script as input.html. The script will produce an output.txt (it's not a full HTML page, hence TXT not HTML).
Use at your own risk, may destroy the universe amongst other symptoms.
Issues with this application are tracked on my Mantis server, which is open to anyone to sign up, report bugs and request features. Please report any issues you find!