bug#34877: Ghostscript: Missing text when converting PDF to PS

[Diego Nicola Barbato <dnbarbato@posteo.de>]

Hello Guix,

Diego Nicola Barbato <dnbarbato@posteo.de> writes:

> Hello Guix,
>
> When converting certain PDF files to PostScript pdf2ps (from the
> Ghostscript package) will print the following error messages:
>
> --8<---------------cut here---------------start------------->8---
>    **** Error reading a content stream. The page may be incomplete.
>                Output may be incorrect.
>    **** Error: File did not complete the page properly and may be damaged.
>                Output may be incorrect.
> --8<---------------cut here---------------end--------------->8---
>
> The resulting file will be missing some (sometimes all) of the text.
>
> I have attached one such PDF, which I obtained from
> https://www.ichkoche.at/?ctl=recipe_pdf&recipe_id=3161, alongside the
> files generated by running pdf2ps on both Guix System and, for
> reference, Debian 9, where the conversion succeeds (even though they
> provide the same version (9.26 (2018-11-20)) of Ghostscript).
>
> I have also attached the results of running ‘gsnd -dPDFDEBUG’ on the
> offending file.
>
> I run Guix System (commit: 0bd1498) on x86_64.
>
> Regards,
>
> Diego

Unfortunately the original message did not make it to the mailing list
because the attachments were too big.  It did make it to debbugs,
though, so the attachments should be available there
(https://debbugs.gnu.org/34877).

Regards,

Diego