Index: wp-includes/formatting.php
===================================================================
--- wp-includes/formatting.php	(revision 23132)
+++ wp-includes/formatting.php	(working copy)
@@ -82,10 +82,10 @@
 			$dynamic[ '/(\s|\A|[([{<]|")\'/'       ] = '$1' . $opening_single_quote; // opening single quote, even after (, {, <, [
 		if ( '"' != $double_prime )
 			$dynamic[ '/(\d)"/'                    ] = '$1' . $double_prime; // 9" (double prime)
+		if ( "'" != $apos )
+			$dynamic[ '/(\S)\'([^\'\s])/'          ] = '$1' . $apos . '$2'; // apostrophe in a word
 		if ( "'" != $prime )
 			$dynamic[ '/(\d)\'/'                   ] = '$1' . $prime; // 9' (prime)
-		if ( "'" != $apos )
-			$dynamic[ '/(\S)\'([^\'\s])/'          ] = '$1' . $apos . '$2'; // apostrophe in a word
 		if ( '"' != $opening_quote )
 			$dynamic[ '/(\s|\A|[([{<])"(?!\s)/'    ] = '$1' . $opening_quote . '$2'; // opening double quote, even after (, {, <, [
 		if ( '"' != $closing_quote )