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Re: NR pdf is larger with current git by 15%

From: Werner LEMBERG
Subject: Re: NR pdf is larger with current git by 15%
Date: Sat, 11 Jul 2020 16:22:45 +0200 (CEST)

>> > Ghostscript seems to need `-sDEVICE=pdfwrite` to produce the PDF
>> > we expect.


>> > Is the device specifying way on the new method (without
>> > `-sDEVICE=pdfwrite`) documented by Ghostscript documents?  If
>> > not, it is not a bug in my humble opinion.
>> I've found the documented way to specify Ghostscript devices
>> without `-sDEVICE=pdfwrite`.  It is using the operator
>> `selectdevice`.

Thanks for investigating.  The main question remains why gs produces
suboptimal results without `selectdevice`.

> Interesting. I had mostly looked at
> which lists setdevice,
> but not selectdevice. Do you happen to know what's making the
> difference here?  These Ghostscript internals are funny to work
> with, being half-documented and partly standardized...

I agree.


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