From f6a9bce728c8451d212836460aece6dfb7aa0896 Mon Sep 17 00:00:00 2001
From: jzmaddock <jzmaddock@gmail.com>
Date: Tue, 2 Dec 2014 09:31:42 +0000
Subject: [PATCH] Fix icu behaviour with partial matches. See
 https://svn.boost.org/trac/boost/ticket/10114

---
 include/boost/regex/icu.hpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/boost/regex/icu.hpp b/include/boost/regex/icu.hpp
index 37fec2ac..572172e5 100644
--- a/include/boost/regex/icu.hpp
+++ b/include/boost/regex/icu.hpp
@@ -397,10 +397,10 @@ void copy_results(MR1& out, MR2 const& in)
    out.set_base(in.base().base());
    for(int i = 0; i < (int)in.size(); ++i)
    {
-      if(in[i].matched)
+      if(in[i].matched || !i)
       {
          out.set_first(in[i].first.base(), i);
-         out.set_second(in[i].second.base(), i);
+         out.set_second(in[i].second.base(), i, in[i].matched);
       }
    }
 }