Till Kamppeter

OK, the method creating vendor options and only providing xxx-default and no xxx-supported would serve for me, as I only need to save and reload the key/value pairs of the...

Independent of my special case of installable option settings I think it is not very useful to have as only way of customization the full replacement of the function for...

I would very much appreciate a solution here soon, as without extending the savable data I cannot implement the Installable Options for PostScript printers as I cannot save their settings.

OK, will go the xxx-default without xxx-supported way for Installable Options. So then I think I have all what I need for the PostScript Printer Application.

I have tried to follow your instructions, adding a vendor option named "installable-options" with only an "installable-options-default" IPP attribute of IPP_TAG_TEXT type and no "installable-options-supported" IPP attribute, with the intention...

I got the "Installable Options" support for the PostScript Printer Application [completely working](https://github.com/OpenPrinting/ps-printer-app/commit/a7e250719) now, using the method of a vendor option without `...-supported` IPP attribute for saving the "Installable Options"...

Also for printer web interface pages ("Media", "Printing Defaults", ...) text addition should be possible individually per-print-queue, so that for example any hints about installable accessories only appear for printers...

Yes, introducing a possibility to add text for each page, as you suggest, would already be great, especially with assignment via resource path, as this also allows per-prnter variations, as...

OK, let us go this way.

Ideal would be UDEV for USB if it works out of a Snap ...