On Fri, May 22, 2009 at 8:02 PM, Pieter V. <pvande / gmail.com> wrote: > This might seem oddly self-serving, but you might look into the Differ gem. > > http://github.com/pvande/differ > > While not designed to diff HTML specifically, that's something that it > could most probably be set up to do. ¨Âïîóéäåçéöéîç éô ôòù® That's a string differ. A proper html differ needs to be aware of the tree structure - it's a different problem. martin