boost::log::formatters::xml_dec
// In header: <boost/log/formatters/xml_decorator.hpp> implementation_defined xml_dec;
XML-style decorator generator object. The decorator replaces characters that have special meaning in XML documents with the corresponding decorated counterparts. The generator provides operator[]
that can be used to construct the actual decorator. For example:
xml_dec[ attr< std::string >("MyAttr") ]