It’s because PDF was designed before Unicode became viable, and was designed to ... | Hacker News

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layer8 on July 6, 2022 | parent | context | favorite | on: Show HN: PDFs that are readable by human eyes only

It’s because PDF was designed before Unicode became viable, and was designed to be flexible regarding character sets, hence you can basically define your own encoding.

jagger27 on July 7, 2022 [–]

Coupled with embedded fonts that’s pretty clever and good foresight from Adobe.

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