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BX dangers

In Xy4DOS XPL programs, sometimes BX doesn't work right. I am used to
it not working right in SEarches and Change Invisibles, but I just
found out that it can be disastrous in executing a SORT command.

The otherwise identical program with
   BX sort Q2
instead of
   BC sort XC

neatly lops off the last item sorted. Rather disastrous if you are,
say, sorting a customer list.

Regards,

Harry Binswanger
hb@xxxxxxxx