From aee87734a8474f4ffd5047845a3dd9bbabc74418 Mon Sep 17 00:00:00 2001
From: Andrey Semashev <andrey.semashev@gmail.com>
Date: Sun, 29 Oct 2017 19:27:04 +0300
Subject: [PATCH] Fixed do_length virtual override.

Fixed a bug introduced by b47fccb4a4e7fb32b74d03f6f80250bc2cafe501, which
commented the correct virtual function override and thus broke length() result.
---
 include/boost/detail/utf8_codecvt_facet.hpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/boost/detail/utf8_codecvt_facet.hpp b/include/boost/detail/utf8_codecvt_facet.hpp
index bf22e0c..afe3f2c 100644
--- a/include/boost/detail/utf8_codecvt_facet.hpp
+++ b/include/boost/detail/utf8_codecvt_facet.hpp
@@ -188,7 +188,7 @@ protected:
     throw()
 #endif
     ;
-/*
+
     virtual int do_length(
         std::mbstate_t & s,
         const char * from,
@@ -206,7 +206,7 @@ protected:
             max_limit
         );
     }
-*/
+
     // Largest possible value do_length(state,from,from_end,1) could return.
     virtual int do_max_length() const BOOST_NOEXCEPT_OR_NOTHROW {
         return 6; // largest UTF-8 encoding of a UCS-4 character