NAME
IsCurrentHoroscopeValid:
Check if there is a valid current horoscope.
USAGE
IsCurrentHoroscopeValid
PARAMETERS
None
OPTIONS
None
RETURN
A Boolean value to say yes or no. (0=no, 1=yes)
There is a valid current horoscope if a previous call to SetCurrentHoroscope or ComputeHoroscope return successfully.
EXAMPLE
if {![IsCurrentHoroscopeValid]} {
return
}