No, no, i'm talking about annotations that are stored in SQLlite files like "kodomo" wrote. Didn't you read the link in my first post?
He writes that he can merge them into the PDF (ofcourse not on the M92, but on a PC).
Therefore my questions!!!
And from what i know so far, even the scribbles could be used as references, since they seem to be an added vector graphics as commentary. I don't know where i have seen the picture, but with the appropriate PDF-tool each scribble's line was displayed as a commentary.