if not modules then modules = { } end modules ['back-pdf'] = {
    version   = 1.001,
    comment   = "companion to back-pdf.mkiv",
    author    = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
    copyright = "PRAGMA ADE / ConTeXt Development Team",
    license   = "see context related readme files"
}

local codeinjections = backends.pdf.codeinjections

local outputfilename

function codeinjections.getoutputfilename()
    if not outputfilename then
        outputfilename = file.addsuffix(tex.jobname,"pdf")
    end
    return outputfilename
end

backends.install("pdf")