Re: pdftex core dump when including certain pdf files

On 18 July 2016 at 22:25, Werner LEMBERG <wl-mXXj517/[email protected]> wrote:

>
> > However I think those pdfs without embedded fonts are rather
> > useless.
>
> Not at all.  The lilypond documentation has a case where PDFs without
> fonts would be extremely valuable (we haven't implemented this yet,
> however).
>
>   . For the documentation (in texinfo format), lilypond creates
>     thousands of small PDFs that get included into the main PDF.  All
>     those files use the same small set of music fonts again and again.
>
>   . If the small PDFs don't contain fonts it would be possible that
>     pdftex includes the necessary fonts only once while building the
>     master PDF.
>
>   . If the small PDFs contain subsetted fonts, pdftex must include
>     them as-is, enormously increasing the output file size.
>
>   . We currently suppress creation of subfonts in the small PDFs to
>     get a small output file size.  However, this leads to an
>     incredible waste of disk space while building the documentation
>     (we speak of a few gigabytes).
>


​can you provide a minimal example demonstrating the problem?

pdftex can merge Type1 subfonts in included pdfs.

Thanh
​