Function
GLibDatevalid_dmy
Description
Returns TRUE if the day-month-year triplet forms a valid, existing day
in the range of days GDate understands (Year 1 or later, no more than
a few thousand years in the future).
Parameters
day-
Type:
GDateDayDay.
month-
Type:
GDateMonthMonth.
year-
Type:
GDateYearYear.