.\" @(#)cal.1 6.2 (Berkeley) 5/28/87
prints a calendar for the specified year.
If a month is also specified, a calendar
just for that month is printed.
If no arguments are given, a calendar for
the current month is printed.
is a number between 1 and 12.
produced is that for England and her colonies.
The year is always considered to start in January even though this
Beware that `cal 78' refers to the early Christian era,