Joerg Sonnenberger <joerg@netbsd.org> writes:
> Module Name:	src
> Committed By:	joerg
> Date:		Fri Dec 21 14:21:42 UTC 2007
>
> Modified Files:
> 	src/usr.bin/cal: cal.1
>
> Log Message:
> Document ISO format "cal 2007-12", leave "cal 2007/12" undocumented
> intentionally.

If you're not going to document it, I'd suggest either removing it or
putting a comment in to the sources explaining why it is intentionally
undocumented so no one documents it after you.

Perry