> It is also possible that this is a GhostScript bug: to get > smaller-sized output PDFs, LilyPond creates the more than thousand > included PDF images without embedded fonts, and GhostScript does the > font embedding as a post-processing step (doing so shrinks the PDF > size from about 40MByte to 8MByte).
It is indeed a GhostScript issue. Sorry for the noise. The new feature seems to work just fine, thanks! Werner