in src/outmdsd/DjsonLogItem.h [123:129]
void AddData(std::string name, std::string value)
{
std::string tmpstr;
tmpstr.reserve(2 + value.size());
tmpstr.append(1, '"').append(value).append(1, '"');
m_svlist.emplace_back(std::move(name), "FT_STRING", std::move(tmpstr));
}