[issue6180] Tkinter.Entry: fix for xview and some doc clarifications

Guilherme Polo added the comment: This is now obsolete since r74448 and r74449, closing. -- status: open -> closed ___ Python tracker ___

[issue6180] Tkinter.Entry: fix for xview and some doc clarifications

New submission from Guilherme Polo : The xview method in Tkinter.Entry doesn't indicate that index may be None, which is used to query the Entry xview. I also considered that the docstrings in the selection_range and selection_present methods needed some clarifications, so the attached patch als