From 94c7d4a38ad4debb91391b17745e49c467de1bf3 Mon Sep 17 00:00:00 2001
From: jzmaddock <john@johnmaddock.co.uk>
Date: Thu, 24 Sep 2015 19:01:44 +0100
Subject: [PATCH] Fix start of extended character range. See
 https://svn.boost.org/trac/boost/ticket/11524

---
 include/boost/regex/v4/regex_traits_defaults.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/boost/regex/v4/regex_traits_defaults.hpp b/include/boost/regex/v4/regex_traits_defaults.hpp
index 7445ac58..6a0783c7 100644
--- a/include/boost/regex/v4/regex_traits_defaults.hpp
+++ b/include/boost/regex/v4/regex_traits_defaults.hpp
@@ -53,7 +53,7 @@ namespace boost{ namespace BOOST_REGEX_DETAIL_NS{
 //
 template <class charT>
 inline bool is_extended(charT c)
-{ return c > 256; }
+{ return c >= 256u; }
 inline bool is_extended(char)
 { return false; }