d STB-20 sg25.  Interaction expansion.
d STB insert by William Gould, Stata Corporation.
d Support:  FAX 409-696-4601.
d After installation, see help ^xi^.

f sg25/xi.ado
f sg25/xi.hlp
f sg25/xi_ei.ado
f sg25/xi_eic.ado
f sg25/xi_eicu.ado
f sg25/xi_eii.ado
f sg25/xi_mkun.ado
f sg25/xi_mkun2.ado