edt: MS-DOS

 
 4.2 PC Users Running MS-DOS
 ===========================
 
 By default, F1 is configured to emulate the <PF1> (<GOLD>) key.  But
 <NumLock> can be used instead if you load a freeware TSR distributed
 with MS-Kermit, call ‘gold.com’.  This was once distributed in a file
 called ‘gold22.zip’ and came with the source code as well as a loadable
 binary image.  (See ‘edt-pc.el’ in the Emacs ‘lisp/emulation’ directory
 for more information.)