NOTATIO

Actually you can have differing spacing algorithms in Sibelius with the help of a plug-in.

What is the original page size?

Same problem here (Windows 7, Chrome)

3M surgical paper tape also works well for taping in inserts, as well as general binding. It is non-acidic and makes a good hinge. I have parts I created more than 10 years ago that are still holding up well. BTW, buy this tape directly from 3M, although you can find it in most pharmacies (in the US...

I agree with erelievonen - stemlets would be the most clear. In that case I would go with your measure 1.

I have also seen horizontal brackets used to clarify the rhythm.

Schirmer says that leading quarter rests are acceptable, but never following.

So, qr, e, qr, e is OK- e, qr, e, qr is not.