Defined in tcl/intranet-defs.tclReturns the number of days in a given month.
The month can be specified as 1-12, Jan-Dec or January-December.
The year argument is optional. It's only needed for February.
If no year is given, it defaults to 1999 (a non-leap-year).
- Parameters:
-
month
year (defaults to "1999"
)