[pdftex] Color dependence of included pdf images

[Heiko Oberdiek]

At 10:09 13.08.01 -0400, Tom Kacvinsky wrote:
>In my opinion, all included PDF files should be self contained, and not
>depend on the current state of the PDF engine.

It is easy to add the \pdfliteral lines in pdftex.def
   \pdfliteral{q 0 g 0 G}% gsave color black
   \pdfrefximage\thepdflastximage
   \pdfliteral{Q}% grestore
But then the color dependence cannot be used as feature.
Before changing pdftex.def I would like having more opionions.

Yours sincerely
   Heiko <oberdiek at uni-freiburg.de>