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Re: bugs in web.pdf

From: Federico Bruni
Subject: Re: bugs in web.pdf
Date: Wed, 26 Apr 2017 18:36:11 +0200

Il giorno mer 26 apr 2017 alle 17:29, Masamichi Hosoda <address@hidden> ha scritto:
 What's interesting is that my locally compiled web.pdf (with Xetex
 version 2017.03.30:1237) displays page 10 almost correctly, in that
 the page stays A4 vertical but the image is rotated 90°
 counter-clockwise. See attached the extracted page.
web.pdf on lilypond.org was built with a more recent version of Xetex.

I think that it is not caused by the difference in XeTeX version.
Does your environment have `extractpdfmark`?

No, it's not packaged for Fedora.
Should I install it from source?

GUB has `extractpdfmark` and Ghostscript 9.20.
In such environments, PDFs are processed by Ghostscript after extractpdfmark.
At that time, Ghostscript seems to rotate by "majority decision".


`-dAutoRotatePages=/None` option for Ghostscript seems to need.
This will prevent landscape pages like lilypond.org web.pdf page 10.
However, it can not prevent image rotation like your web.pdf page 10.

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