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 > 2.  Drop DVI?  Are you kidding me?  Although PDF may be popular now,
 > that may not be the case 20 years from now.  A device-independent
 > format is what is needed, and that's what DVI is.  TeX is guaranteed
 > to produce the exact same output 100 years from now.

And .PDF isn't?

No.  It isn't.  It is an Adobe product.

Check out ISO 32000-2:2020.

I think it’s ok in 2022 to say that PDF has escaped Adobe and is an open standard, suitable for long-life documents, etc. 



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