Method Md4

lib/mdflib/mdflib/src/mdfblock.cpp:562–565

}

const Md4Block *MdfBlock::Md4() const {
  return !md_comment_ ? nullptr
                      : dynamic_cast<const Md4Block *>(md_comment_.get());
}

void MdfBlock::Md4(const std::string &xml) {
  auto md4 = std::make_unique<Md4Block>(xml);