The author does not accept responsibility for any effects, adverse or otherwise, that this code may have on you, your computer, your sanity, your dog, and anything else that you can think of. Use it at your own risk. (Deja Vu? I also love the Allegro disclaimer.)
Quick and dirty tour
So you don't like to read all articles you see on the web, or you don't have time for it? Then, just download the source files, and open the "debugDemo.htm" file on your favorite browser.
The need for a debug tool
The debug tool