From b6411d485a9205ec9aa78a0c8015e608c1c930bb Mon Sep 17 00:00:00 2001
From: rolux <rolux@rolux.org>
Date: Sun, 27 May 2012 22:59:43 +0200
Subject: [PATCH] off by one in Ox.encodeBase26

---
 source/Ox/js/Encoding.js | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/source/Ox/js/Encoding.js b/source/Ox/js/Encoding.js
index ba1dcd4f..9c1e6b90 100644
--- a/source/Ox/js/Encoding.js
+++ b/source/Ox/js/Encoding.js
@@ -4,14 +4,22 @@
 Ox.encodeBase26 <b> Encode a number as bijective base26
     See <a href="http://en.wikipedia.org/wiki/Bijective_numeration">
     Bijective numeration</a>.
+    > Ox.encodeBase26(0)
+    ''
+    > Ox.encodeBase26(1)
+    'A'
+    > Ox.encodeBase26(26)
+    'Z'
+    > Ox.encodeBase26(27)
+    'AA'
     > Ox.encodeBase26(4461)
     'FOO'
 @*/
 Ox.encodeBase26 = function(number) {
     var string = '';
     while (number) {
-        string = String.fromCharCode(64 + number % 26) + string;
-        number = parseInt(number / 26);
+        string = String.fromCharCode(65 + (number - 1) % 26) + string;
+        number = Math.floor((number - 1) / 26);
     }
     return string;
 };