[pdftex] pdftex core dump when including certain pdf files
wl at gnu.org
Thu Jul 21 07:08:27 CEST 2016
> > ps2pdf pdftex-output.pdf out.pdf
> > which indeed reduces the file size and the number of subsetted fonts
> > by 30%, but there is a problem that makes all links disappear... We
> > have to further investigate.
> Yes, the problem is that in a PDF file the contents of pages and
> links are stored at different places.
Well, it's not clear to me why normal PDF viewers display the original
input file correctly without complaints, but ghostscript creates a
crappy output file.
> It's not straightforward to keep the links. What are you doing in
> order to retain the links? I suppose that LuaTeX's epdf library
Perhaps a misunderstanding. The links in the input PDF file *are*
valid, and after the ps2pdf run they are not. I don't do anything
special with the links.
> Some companies in Japan offer PDF datasheets which have only
> references to Windows fonts but the fonts are not included. Thus,
> when I view them on Unix, I only see the graphics but no text.
Indeed, I have also seen such PDF files – many years ago.
So there's much testing ahead...
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