Index: wordpress/wp-includes/link-template.php
===================================================================
--- wordpress/wp-includes/link-template.php	(revision 92)
+++ wordpress/wp-includes/link-template.php	(revision 93)
@@ -474,7 +474,7 @@
 	if ( (! is_single()) && (empty($paged) || $nextpage <= $max_page) ) {
 		echo '<a href="';
 		next_posts($max_page);
-		echo '">'. preg_replace('/&([^#])(?![a-z]{1,8};)/', '&#038;$1', $label) .'</a>';
+		echo '">'. preg_replace('/&([^#])(?![a-zA-Z]{1,8};)/', '&#038;$1', $label) .'</a>';
 	}
 }
 
@@ -498,7 +498,7 @@
 	if ( (!is_single())	&& ($paged > 1) ) {
 		echo '<a href="';
 		previous_posts();
-		echo '">'. preg_replace('/&([^#])(?![a-z]{1,8};)/', '&#038;$1', $label) .'</a>';
+		echo '">'. preg_replace('/&([^#])(?![a-zA-Z]{1,8};)/', '&#038;$1', $label) .'</a>';
 	}
 }
 
@@ -515,7 +515,7 @@
 
 		if ( $max_num_pages > 1 ) {
 			previous_posts_link($prelabel);
-			echo preg_replace('/&([^#])(?![a-z]{1,8};)/', '&#038;$1', $sep);
+			echo preg_replace('/&([^#])(?![a-zA-Z]{1,8};)/', '&#038;$1', $sep);
 			next_posts_link($nxtlabel);
 		}
 	}