id,summary,reporter,owner,description,type,status,milestone,component,version,severity,resolution,keywords,cc
8208,param of xpressive::sregex_iterator compiler error in VS2012,wanhihihlo@…,Eric Niebler,"Windows7 64bit, MS Visual Studio 2012 (VC11), build with 32bit;

I just compiler example code in user's guide,
""Find all the sub-strings that match a regex and step through them one at a time"" :
    std::wstring str( L""This is his face."" );
    wsregex token = +alnum;
    wsregex_iterator cur( str.begin(), str.end(), token ); //<---error
    wsregex_iterator end;
for( ; cur != end; ++cur ) {
        wsmatch const &what = *cur;
        std::wcout << what[0] << L'\n';
}

compiler said undeclared identifier of ""token"" in 
""wsregex_iterator cur( str.begin(), str.end(), token );"" !!!

I changed the var ""token"" to ""tt_k"", it report same error still.
The sample code compiler OK in VS2010, but fail in VS2012.",Bugs,closed,To Be Determined,xpressive,Boost 1.53.0,Problem,worksforme,,