Index: wp-includes/functions.php
===================================================================
--- wp-includes/functions.php	(revision 5496)
+++ wp-includes/functions.php	(working copy)
@@ -86,9 +86,9 @@
 function number_format_i18n($number, $decimals = null) {
 	global $wp_locale;
 	// let the user override the precision only
-	$decimals = is_null($decimals)? $wp_locale->number_format['decimals'] : intval($decimals);
+	$decimals = is_null($decimals)? $wp_locale->number_format_decimals : intval($decimals);
 
-	return number_format($number, $decimals, $wp_locale->number_format['decimal_point'], $wp_locale->number_format['thousands_sep']);
+	return number_format($number, $decimals, $wp_locale->number_format_decimal_point, $wp_locale->number_format_thousands_sep);
 }
 
 function get_weekstartend($mysqlstring, $start_of_week) {
Index: wp-includes/locale.php
===================================================================
--- wp-includes/locale.php	(revision 5496)
+++ wp-includes/locale.php	(working copy)
@@ -12,8 +12,14 @@
 
 	var $meridiem;
 
+	// Locale vars, can be changed in $locale.php.
 	var $text_direction = 'ltr';
-	var $locale_vars = array('text_direction');
+	// Numbers formatting. See http://www.php.net/number_format
+	var $number_format_decimals = 0;
+	var $number_format_decimal_point = '.';
+	var $number_format_thousands_sep = ',';
+	var $locale_vars = array('text_direction', 'number_format_decimals', 'number_format_decimal_point',
+		'number_format_thousands_sep');
 
 	function init() {
 		// The Weekdays
@@ -87,24 +93,11 @@
 		$this->meridiem['AM'] = __('AM');
 		$this->meridiem['PM'] = __('PM');
 
-		// Numbers formatting
-		// See http://php.net/number_format
-
-		$trans = __('number_format_decimals'); 
-		$this->number_format['decimals'] = ('number_format_decimals' == $trans) ? 0 : $trans;
-		
-		$trans = __('number_format_decimal_point');
-		$this->number_format['decimal_point'] = ('number_format_decimal_point' == $trans) ? '.' : $trans;
-
-		$trans = __('number_format_thousands_sep');	
-		$this->number_format['thousands_sep'] = ('number_format_thousands_sep' == $trans) ? ',' : $trans; 
-		
 		// Import global locale vars set during inclusion of $locale.php.
 		foreach ( $this->locale_vars as $var ) {
 			if ( isset($GLOBALS[$var]) )
 				$this->$var = $GLOBALS[$var];
 		}
-
 	}
 
 	function get_weekday($weekday_number) {