bug#61091: 30.0.50; y-or-n-p clobbers match data

[Richard Stallman]

[[[ To any NSA and FBI agents reading my email: please consider    ]]]
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  > > Allowance should be made for the fact that `y-or-n-p'
  > > was safe for the match data for over 35 years.

  > I don't object if it's easy to do so.

I think it should be easy.  How about trying it?

-- 
Dr Richard Stallman (https://stallman.org)
Chief GNUisance of the GNU Project (https://gnu.org)
Founder, Free Software Foundation (https://fsf.org)
Internet Hall-of-Famer (https://internethalloffame.org)