X-Git-Url: http://git.kpe.io/?a=blobdiff_plain;f=datetime.lisp;h=b3dbc1a47f895895e549064059d876202c0b5a74;hb=12026eac09e773e83887a6073d5a034979ce7043;hp=dd813c46f75cb7fc0bef7166d0fcc51ba5a1e6bb;hpb=59263366c02989bb87cf7efe338d46de26677059;p=kmrcl.git

diff --git a/datetime.lisp b/datetime.lisp
index dd813c4..b3dbc1a 100644
--- a/datetime.lisp
+++ b/datetime.lisp
@@ -7,8 +7,6 @@
 ;;;; Programmer:    Kevin M. Rosenberg
 ;;;; Date Started:  Apr 2000
 ;;;;
-;;;; $Id$
-;;;;
 ;;;; This file, part of KMRCL, is Copyright (c) 2002 by Kevin M. Rosenberg
 ;;;;
 ;;;; KMRCL users are granted the rights to distribute and use this software
@@ -40,7 +38,7 @@
   (multiple-value-bind (sec min hr dy mn yr) (decode-universal-time tm)
     (pretty-date yr mn dy hr min sec)))
 
-(defun date-string (ut)
+(defun date-string (&optional (ut (get-universal-time)))
   (if (typep ut 'integer)
       (multiple-value-bind (sec min hr day mon year dow daylight-p zone)
           (decode-universal-time ut)
@@ -112,7 +110,7 @@
 
 (defun day-of-week (year month day)
   "Day of week calculation using Zeller's Congruence.
-Input: The year y, month m (1 ≤ m ≤ 12) and day d (1 ≤ d ≤ 31).
+Input: The year y, month m (1 <= m <= 12) and day d (1 <= d <= 31).
 Output: n - the day of the week (Sunday = 0, Saturday = 6)."
 
   (when (< month 3)