Index: formatting.php
===================================================================
--- formatting.php	(revision 26919)
+++ formatting.php	(working copy)
@@ -76,7 +76,7 @@
 		$dynamic = array();
 		if ( "'" != $apos ) {
 			$dynamic[ '/\'(\d\d(?:’|\')?s)/' ] = $apos . '$1'; // '99's
-			$dynamic[ '/\'(\d)/'                   ] = $apos . '$1'; // '99
+			$dynamic[ '/\'(\d\d)/'                 ] = $apos . '$1'; // '99
 		}
 		if ( "'" != $opening_single_quote )
 			$dynamic[ '/(\s|\A|[([{<]|")\'/'       ] = '$1' . $opening_single_quote; // opening single quote, even after (, {, <, [