bug#9528: 24.0.50; Info navigation

[Juri Linkov]

>> (info "(info-stnd) Node Commands") says:
>>
>> `l' (`history-node')
>>      Pop the most recently _selected_ node in this window from the node
>>      history.
>
> That's a documentation bug.  See the manual for the correct
> description.

Since users are confused by this behavior then maybe we should add an option
to be able to configure it?

>> I agree that it looks like a bug, but I don't understand why it's coded
>> explicitly that way.  Perhaps the intention was to implement this behavior
>> only when the value of `Info-scroll-prefer-subnodes' is non-nil?
>
> Maybe, I cannot say.  We can condition it on that variable.

Ok, will do that.