Copy/paste Greek text from PDF annos into FM6.0 variable definition

I am making some corrections to documents published in Greek in FrameMaker 6.0. I have corrections in Greek characters in comment/annotation notes in PDF files. I need to copy Greek from the annotations and paste it into a user variable definition in FrameMaker 6.0. Naturally, I get "???

Copy/paste Greek text from PDF annos into FM6.0 variable definition

I am making some corrections to documents published in Greek in FrameMaker 6.0. I have corrections in Greek characters in comment/annotation notes in PDF files. I need to copy Greek from the annotations and paste it into a user variable definition in FrameMaker 6.0. Naturally, I get "???