id summary reporter owner description type status milestone component version severity resolution keywords cc 6329 boost/format/alt_sstream_impl.hpp encoding problems hume Samuel Krempp " BOOST_ASSERT(0); // §27.4.3.2 allows undefined-behaviour here §character will trigger msvc codepage complainment on eastern windows versions,, so it's better to remove it or save the file using UTF-8." Bugs closed Boost 1.63.0 format Boost 1.48.0 Problem duplicate