From a34c406d780716c2f1ccd74b8c4d0e4e49f2a233 Mon Sep 17 00:00:00 2001
From: rolux <rolux@rolux.org>
Date: Sun, 27 May 2012 15:05:24 +0200
Subject: [PATCH] Date.js: add the missing date argument to
 Ox.getTimezoneOffset (the current timezone's offset may have been different
 in the past); return '+0000', not '-0000', in Ox.getTimezoneOffsetString;
 correct a test for Ox.makeDate

---
 source/Ox/js/Date.js | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

diff --git a/source/Ox/js/Date.js b/source/Ox/js/Date.js
index 1fd7e85a..ceb34ac0 100644
--- a/source/Ox/js/Date.js
+++ b/source/Ox/js/Date.js
@@ -185,20 +185,24 @@ Ox.getTime = function(utc) {
 
 /*@
 Ox.getTimezoneOffset <f> Get the local time zone offset in milliseconds
+    ([date]) -> <n> Offset in milliseconds
+    date <d|u> Return offset at this date (if undefined, return current offset)
 @*/
-Ox.getTimezoneOffset = function() {
-    return new Date().getTimezoneOffset() * 60000;
+Ox.getTimezoneOffset = function(date) {
+    return Ox.makeDate(date).getTimezoneOffset() * 60000;
 };
 
 /*@
 Ox.getTimezoneOffsetString <f> Get the local time zone offset as a string
     Returns a time zone offset string (from around '-1200' to around '+1200').
+    ([date]) -> <s> Offset as a string
+    date <d|u> Return offset at this date (if undefined, return current offset)
     > Ox.getTimezoneOffsetString(new Date('01/01/2000')).length
     5
 @*/
 Ox.getTimezoneOffsetString = function(date) {
-    var offset = (Ox.makeDate(date)).getTimezoneOffset();
-    return (offset < 0 ? '+' : '-')
+    var offset = Ox.makeDate(date).getTimezoneOffset();
+    return (offset <= 0 ? '+' : '-')
         + Ox.pad(Math.floor(Math.abs(offset) / 60), 2)
         + Ox.pad(Math.abs(offset) % 60, 2);
 };
@@ -235,12 +239,12 @@ Ox.isLeapYear = function(year, utc) {
 
 /*@
 Ox.makeDate <f> Takes a date, number or string, returns a date
-    > Ox.formatDate(Ox.makeDate(new Date('01/01/1970')), '%m/%d/%Y')
-    '01/01/1970'
-    > Ox.formatDate(Ox.makeDate(0), '%m/%d/%Y')
+    > Ox.formatDate(Ox.makeDate(0), '%m/%d/%Y', true)
     '01/01/1970'
     > Ox.formatDate(Ox.makeDate('01/01/1970'), '%m/%d/%Y')
     '01/01/1970'
+    > Ox.formatDate(Ox.makeDate(new Date('01/01/1970')), '%m/%d/%Y')
+    '01/01/1970'
 @*/
 Ox.makeDate = function(date) {
     // if date is a date, new Date(date) makes a clone