[XeTeX] duplicate embedded fonts

[Hendrik Fuß]

Hi,

I'm using xetex and xdvipdfmx to typeset a document which imports several
PDF figures. The figures use the same fonts as the main document, but since
they all have their own font subsets embedded, I end up with a PDF which has
hundreds of subsets of the same font, some of which have different
encodings. I have heard that this can cause problems with some reprographic
setups, but apart from that, I think the file size could be greatly reduced
by removing these fonts. Does anybody know a simple way to do this?

I used Illustrator to create most of the figures, which seems to always
embed fonts in its PDF files.

cheers
Hendrik
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