They do say "please don't" as far as their "LC preference"[1] but then later in the document have nice things to say about the format being just .zip and .xml so its introspection and recovery options are much larger than "welp, hope pdf2text still exists in 2040"
1: they have a Recommended Formats Statement: https://www.loc.gov/preservation/resources/rfs/ which currently is published in html and pdf with a "Get Adobe Reader" button on the page, which I feel is dangerously misguided advice
They do say "please don't" as far as their "LC preference"[1] but then later in the document have nice things to say about the format being just .zip and .xml so its introspection and recovery options are much larger than "welp, hope pdf2text still exists in 2040"
1: they have a Recommended Formats Statement: https://www.loc.gov/preservation/resources/rfs/ which currently is published in html and pdf with a "Get Adobe Reader" button on the page, which I feel is dangerously misguided advice