--- boost/date_time/local_time/posix_time_zone.hpp	2008-05-19 16:19:46.000000000 +0200
+++ boost-trunk/boost/date_time/local_time/posix_time_zone.hpp	2008-05-19 21:01:59.000000000 +0200
@@ -5,7 +5,7 @@
  * Subject to the Boost Software License, Version 1.0. (See accompanying
  * file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
  * Author: Jeff Garland, Bart Garst
- * $Date: 2008-02-27 15:00:24 -0500 (Wed, 27 Feb 2008) $
+ * $Date: 2008-02-27 19:51:14 +0100 (Wed, 27 Feb 2008) $
  */
 
 #include <string>
@@ -235,8 +235,7 @@
       string_type l_std_zone_abbrev, l_dst_zone_abbrev;
 
       // get 'std' name/abbrev
-      const typename string_type::const_iterator obj_end( obj.end() );
-      while(sit != obj_end && std::isalpha(*sit)){
+      while(std::isalpha(*sit)){
         ss << *sit++;
       }
       l_std_zone_abbrev = ss.str();