*! vy v3.2.1 KIMacdonald 13Aug2013
program vy, byable(onecall)
*  Just to enble a 'short' call to validly
*
local by ""
if _by() local by "by `_byvars'`_byrc0': "
local fromvy =char(133)  // untypable character, to flag call
*
`by'validly `0' `fromvy'
*
end