"George" wrote in message

But, apparently, not the obvious, which is that a parallel edge produced
by
ripping against a _jointer-straightened_ edge, not the straw man, will
remain parallel if a measured amount is removed along one edge by the
jointer.

LOL! Quite different from your earlier, blanket statement, but close enough
for some purposes ... just like the results often obtained from using a
jointer for other than it's primary purpose.

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