ArgParser::argVersion()
{
    if (expected_version != QPDF::QPDFVersion())
    {
        std::cerr << "***\n"
                  << "WARNING: qpdf CLI from version " << expected_version
                  << " is using library version " << QPDF::QPDFVersion()
                  << ".\n"
                  << "This probably means you have multiple versions of qpdf installed\n"
                  << "and don't have your library path configured correctly.\n"
                  << "***"
                  << std::endl;
    }
    std::cout
        << whoami << " version " << QPDF::QPDFVersion() << std::endl
        << "Run " << whoami << " --copyright to see copyright and license information."
        << std::endl;
}
ArgParser::argVersion()
{
    if (expected_version != QPDF::QPDFVersion())
    {
        std::cerr << "***\n"
                  << "WARNING: qpdf CLI from version " << expected_version
                  << " is using library version " << QPDF::QPDFVersion()
                  << ".\n"
                  << "This probably means you have multiple versions of qpdf installed\n"
                  << "and don't have your library path configured correctly.\n"
                  << "***"
                  << std::endl;
    }
    std::cout
        << whoami << " version " << QPDF::QPDFVersion() << std::endl
        << "Run " << whoami << " --copyright to see copyright and license information."
        << std::endl;
}