return {
    version   = 1.001,
    comment   = "companion to lpdf-fmt.lmt",
    author    = "Peter, Hans & Mikael",
    copyright = "PRAGMA ADE / ConTeXt Development Team",
    license   = "see context related readme files",
    features  = {
        version      = 1.6,
        format       = "PDF/X-4p",
        xmpfile      = "lpdf-pdx.xml",
        intent       = "GTS_PDFX",
        gray         = true,
        cmyk         = true,
        rgb          = true,
        calibrated   = true,
        spot         = true,
        cielab       = true,
        internal     = true,
        external     = true,
        intents      = true,
        layers       = true,
        transparency = true,
        jbig2        = true,
        jpeg2000     = true,
        compression  = true,
        cidsets      = true,
        charsets     = true,
        procsets     = true,
        attachments  = false,
        metadata     = {
            {
                "replacexmpinfo",
                "xml://rdf:RDF/pdfaid-placeholder",
[[
<rdf:Description rdf:about='' xmlns:pdfxid='http://www.npes.org/pdfx/ns/id/'>
      <pdfxid:GTS_PDFXVersion>PDF/X-4p</pdfxid:GTS_PDFXVersion>
    </rdf:Description>
]]
            },
            {
                "insertxmpinfo",
                "xml://rdf:Description/xmpMM:InstanceID",
                [[<xmpMM:VersionID>1</xmpMM:VersionID>]],
                false
            },
            {
                "insertxmpinfo",
                "xml://rdf:Description/xmpMM:InstanceID",
                [[<xmpMM:RenditionClass>default</xmpMM:RenditionClass>]],
                false
            },
        },
    },
}