[cups.bugs] IPP from windows fails with nativedrivers onnon-raw queue

[Michael R Sweet]

Kyle Schmitt wrote:
>>> If I snag the raw output from the server, the the first thing in the file is a long list of PJL commands.  The very last one is:
>>> @PJL ENTER LANGUAGE=PCLXL
>>>
>>> Wouldn't that be matched by the standard mime.types rule:
>>> application/vnd.cups-raw        (string(0,<1B>E) + !string(2,<1B>%0B)) \
>>>                                 string(0,<1B>@) \
>>>                                 (contains(0,128,<1B>%-12345X) + \
>>>                                  (contains(0,1024,"LANGUAGE=PCL") \
>>>                                   contains(0,1024,"LANGUAGE = PCL")))
>>>
>>>
>>>
>>> Mind you, I'm not terribly familiar with the rules for creating the rules, so that may be the cause of confusion.
>> It would need to appear in the first 1k of the file.  You can increase
>> the "1024" to "4096" to catch more...
> 
> That did it.  Other than the fact that LANGUAGE=PCL would _normally_ be in the first 1k (characters I'm assuming), is there a reason for keeping the range that small?

Mainly performance in the default configuration.  If we don't have
to read the first 4k of every print file we save on IO...

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Michael R Sweet                        Senior Printing System Engineer