napzoom

6 ms·

1. 1.▲
   by napzoom 5mo ago

   That's exactly the point - from the spec's perspective they aren't identical, but from every user's perspective they are. Same pages, same text, same rendering. The interesting question is whose definition of "ident
2. 2.▲
   by napzoom 5mo ago

   I'm the author. The post covers the seven sources of non-determinism in the spec. The one that surprised me most in practice: about half the tools I tested regenerate the /ID array on every save, even when the spec says it should
3. 3.▲
   Show HN: Why Two Identical PDFs Have Different SHA-256 Hashes (How We Fixed It)(docs.pdfcanon.com)

   1 points by napzoom 5mo ago|4 comments