| September 14th, 2002 | Created symbol.tex from symbols.html |
| October 31st, 2002 | Fixed bad example symbol |
| February 11th, 2003 | Footprint naming conventions added |
| September 27th, 2003 | Applied Dan McMahill's QFP and QFN patch |
| July 6th, 2004 | Added a bunch more details/hints to the pin section |