[Boost-bugs] [Boost C++ Libraries] #11651: boost::to_upper and boost::to_lower damages non ascii-charasters in std::u32string

Subject: [Boost-bugs] [Boost C++ Libraries] #11651: boost::to_upper and boost::to_lower damages non ascii-charasters in std::u32string
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2015-09-14 18:41:19

#11651: boost::to_upper and boost::to_lower damages non ascii-charasters in
std::u32string
-------------------------------------------------+-------------------------
 Reporter:  anonymous                            |      Owner:  marshall
     Type:  Bugs                                 |     Status:  new
Milestone:  To Be Determined                     |  Component:  string_algo
  Version:  Boost 1.59.0                         |   Severity:  Problem
 Keywords:  string algorithms to_upper to_lower  |
-------------------------------------------------+-------------------------
 code to reproduce:

 std::u32string u32str = U"Проверка АаАа abcd";
 boost::to_upper(u32str); // u32str contains "@>25@:0 00 ABCD" after

 proper upper string is "ПРОВЕРКА АААА ABCD"

 Visual Studio 2015

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Ticket URL: <https://svn.boost.org/trac/boost/ticket/11651>
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