bug#46979: Allow setting Man-default-entry via Local Variables

[積丹尼 Dan Jacobson]

>>>>> "EZ" == Eli Zaretskii <eliz@gnu.org> writes:
>> 
>> C-h S, powerful as it may be, only seems to help with 5% of the points I
>> have made.

EZ> That's enough to close the bug report from my POV.  But why only 5?
EZ> what real problems does it not handle, pray-say?

95% needed before closing.

E.g., we are editing our crontab file, and do M-x man
we don't want to have to type in c r o n t a b ( 5 ) each time.