bug#27717: other-window when there is no other window

[積丹尼 Dan Jacobson]

>>>>> "mr" == martin rudalics <rudalics@gmx.at> writes:

mr> The documentation of ‘other-window’ contains the sentence "COUNT zero
mr> means do not skip any window, so select the selected window."  which
mr> clearly indicates that "doing nothing" is a valid action in this case.

"In an interactive call, COUNT is the numeric prefix argument."

All I know is the user did C-x o, not C-u 0 C-x o.

So I would hope the program would distinguish the two.