Suppose you have 5 lines in current buffer among others. You yank them using
5Y, make a new buffer with e.g.
tabe, and try to paste these 5 lines so that they are the only thing the new buffer would consist of. Yet if you use
p, you get an empty line before the lines pasted. If you use
P, you get an empty line after them.
Is there any way to paste without introducing extra lines and without doing fix-ups like