gnu cal does. This is currently disabled for year view because of hard
coded padding in that case. This will hopefully be fixed soon.
Reviewed by: Simon 'corecode' Schubert <corecode fs.ei.tum.de>
Approved by: ed
displaying a calendar for a specific month of the current year than
`cal $(date +"%Y") month'. A few minor code cleanups. Set WARNS=1.
(This code is WARNS=5 clean except for "`O' modifier used with `%B'
strftime format", which is legal in FreeBSD but GCC doesn't know about.)
MFC after: 1 week
