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Not to be confused with Base85.

https://en.wikipedia.org/wiki/Ascii85

(used with various alphabets for denser binary encoding in PDF, git binary patches, and the scene files of the Arnold renderer).

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In my personal project, I'm using my own Base92 encoding. I wonder why Base85 stops at 85? In particular, you can implement Base92 with one table lookup and one conditional exception. (Which could also be implemented as a table lookup to save branch prediction misses.)

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