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<div class="elementToProof">> Amusingly, I have a patent on this approach:<br>
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<a href="https://patents.google.com/patent/US5774084A" data-auth="NotApplicable">https://patents.google.com/patent/US5774084A</a><br>
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> Not the greatest thing ever and it expired a few years ago. Whenever I <br>
> see an argument about how broken the patent system in the US is I think <br>
> of this one.<br>
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Definitely broken since I was using the technique at HP in 1984, and no way was I the first to use it :-)<br>
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