Windows changes to move from Tcl/Tk 8.3.2 to 8.4.1.  I tested this by
running IDLE, and since I'm not a Tcl Guy I'm not sure what else to do.
Up to you!  See XXX comments in PCbuild\readme.txt for cautions.

Also repaired typos in the new bz2-for-Windows instructions.
4 files changed