http://legacy.hanno-rein.de/hanno-rein.de/archives/349 http://legacy.hanno-rein.de/hanno-rein.de/archives/349 For Latex documents, but same concept and a fun l

http://legacy.hanno-rein.de/hanno-rein.de/archives/349 http://legacy.hanno-rein.de/hanno-rein.de/archives/349 For Latex documents, but same concept and a fun little add on.