[cups.bugs] [HIGH] STR #3148: Printing options are given in thewrong order on the filter command line

[Michael R Sweet]

Till Kamppeter wrote:
> Thank you for the info. Will fix it in Foomatic 4.0.1.
> 
> Is the priority order for options which do the same thing (PPD 
> printer-specific options vs. CUPS generic options) described in the 
> developer documentation for filters and backends?

I don't think it is specifically called out, just that you use
cupsMarkOptions to mark the size in the PPD and then use ppdPageSize
to get the selected size.

It might be appropriate for the CUPS Design Description document,
and I can add some notes to the cupsMarkOptions docos concerning
the priorities as well.

>     Till
> 
> Michael Sweet wrote:
>> [STR Closed w/o Resolution]
>>
>> The order of options is undefined (on purpose). Moreover, filters like
>> Foomatic that choose to not use the CUPS API for option support need to
>> allow PageSize, PageRegion, InputSlot, and MediaType to override the media
>> option, since the more specific PPD option MUST take precedence over the
>> generic IPP option.
>>
>> In short, this is a Foomatic bug.
>>
>> Link: http://www.cups.org/str.php?L3148
>> Version: 1.3.9
>> Fix Version: Will Not Fix
>>
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-- 
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Michael R Sweet                        Senior Printing System Engineer