"tcltidy ... puts tidy in a callable
dll library." [
1]
http://tidy.sourceforge.net/
is the current home page for Tidy, a program that processes
HTML and either makes suggestions about changes to the HTML, makes some changes, or even converts the HTML into
XML.
http://www.w3.org/People/Raggett/tidy/
is the original author's home page for tidy.
http://tidy.atari.org/
is a port of Tidy to the Atari computer.