[pdftex] pdftex core dump when including certain pdf files

Werner LEMBERG wl at gnu.org
Fri Jul 22 06:55:36 CEST 2016

> I’ve been thinking along the same lines, first trying to find a way
> to generate PDFs using pdfTeX, having no fonts included.  I wasn’t
> able to achieve that.

IMHO, this would be a nice addition to luatex, pdftex, and xetex.

> However, I just ran a successful test with pdfTeX and GS as
> follows.  [...]

Very interesting, thanks!  Note, however, that we don't generate the
small snippets with pdftex/xetex/luatex but directly with ps2pdf from
a PS file generated by lilypond, so we fortunately don't have to jump
all the hoops you are demonstrating here.  In particular, we access
all glyphs with the `glyphshow' operator, thus avoiding the need of
map files completely.

> ps2pdf -dEmbedAllFonts=false datadoc.pdf datadoc-nofonts.pdf

This we will certainly need.

> As for hyperlinks. I didn’t have any in my image PDF.

As mentioned in another mail, this was a problem with the XeTeX
support in texinfo.tex, now fixed.

> What would be nice is a way to create the images w/o any fonts,
> directly with pdfTeX, so not requiring GS at all.

Yes.  Maybe someone has time to add this to the various TeX flavours!

Again, thanks a lot for your tests!


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