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Annotation of src/usr.bin/cal/cal.1, Revision 1.4

1.4     ! denny       1: .\"    $OpenBSD: cal.1,v 1.3 1997/06/02 08:53:29 deraadt Exp $
1.1       deraadt     2: .\"    $NetBSD: cal.1,v 1.6 1995/09/02 05:34:20 jtc Exp $
                      3: .\"
                      4: .\" Copyright (c) 1989, 1990, 1993
                      5: .\"    The Regents of the University of California.  All rights reserved.
                      6: .\"
                      7: .\" This code is derived from software contributed to Berkeley by
                      8: .\" Kim Letkeman.
                      9: .\"
                     10: .\" Redistribution and use in source and binary forms, with or without
                     11: .\" modification, are permitted provided that the following conditions
                     12: .\" are met:
                     13: .\" 1. Redistributions of source code must retain the above copyright
                     14: .\"    notice, this list of conditions and the following disclaimer.
                     15: .\" 2. Redistributions in binary form must reproduce the above copyright
                     16: .\"    notice, this list of conditions and the following disclaimer in the
                     17: .\"    documentation and/or other materials provided with the distribution.
                     18: .\" 3. All advertising materials mentioning features or use of this software
                     19: .\"    must display the following acknowledgement:
                     20: .\"    This product includes software developed by the University of
                     21: .\"    California, Berkeley and its contributors.
                     22: .\" 4. Neither the name of the University nor the names of its contributors
                     23: .\"    may be used to endorse or promote products derived from this software
                     24: .\"    without specific prior written permission.
                     25: .\"
                     26: .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     27: .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     28: .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     29: .\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     30: .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     31: .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     32: .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     33: .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     34: .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     35: .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     36: .\" SUCH DAMAGE.
                     37: .\"
                     38: .\"     @(#)cal.1      8.2 (Berkeley) 4/28/95
                     39: .\"
                     40: .Dd April 28, 1995
                     41: .Dt CAL 1
                     42: .Os
                     43: .Sh NAME
                     44: .Nm cal
                     45: .Nd displays a calendar
                     46: .Sh SYNOPSIS
                     47: .Nm cal
                     48: .Op Fl jy
1.3       deraadt    49: .Oo
                     50: .Op Cm Ar month
                     51: .Ar year
                     52: .Oc
1.1       deraadt    53: .Sh DESCRIPTION
                     54: .Nm Cal
                     55: displays a simple calendar.
                     56: If arguments are not specified,
                     57: the current month is displayed.
                     58: The options are as follows:
                     59: .Bl -tag -width Ds
                     60: .It Fl j
                     61: Display julian dates (days one-based, numbered from January 1).
                     62: .It Fl y
                     63: Display a calendar for the current year.
                     64: .El
                     65: .Pp
                     66: A single parameter specifies the year (1 - 9999) to be displayed;
                     67: note the year must be fully specified:
                     68: .Dq Li cal 89
                     69: will
                     70: .Em not
                     71: display a calendar for 1989.
                     72: Two parameters denote the month (1 - 12) and year.
                     73: If no parameters are specified, the current month's calendar is
                     74: displayed.
                     75: .Pp
                     76: A year starts on Jan 1.
                     77: .Pp
                     78: The Gregorian Reformation is assumed to have occurred in 1752 on the 3rd
                     79: of September.
                     80: By this time, most countries had recognized the reformation (although a
                     81: few did not recognize it until the early 1900's.)
                     82: Ten days following that date were eliminated by the reformation, so the
                     83: calendar for that month is a bit unusual.
1.4     ! denny      84: .Sh STANDARDS
        !            85: The
        !            86: .Nm cal
        !            87: command offers a superset of
        !            88: .St -p1003.2
        !            89: functionality.
1.1       deraadt    90: .Sh HISTORY
                     91: A
                     92: .Nm
                     93: command appeared in
                     94: .At v6 .