This is a page about jdp. jdp likes to program in Tcl/Tk, and has hung around the wiki for a while (and posted a couple times as J, until he discovered that was taken by a programming language). Only now is he trying to become contributing member of the community.
Pages jdp has started (this is a short list, which will probably grow quite soon, because of a secret Tcl project):
Be warned, spelling gurus: jdp uses British spellings.
He also talks about himself in the third person on the jdp page.