1Extended Tcl was designed and implemented by Karl Lehenbauer (karl at 2procplace.com) and Mark Diekhans (markd at Kermodei.com), with help in the 3earliest stages from Peter da Silva (peter at NeoSoft.com). 4TclX 8.4 work was done by Jeff Hobbs. 5 6As with Tcl, all of Extended Tcl is freely redistributable, including for 7commercial use and resale (BSD-style license). 8