On: ISO C became unusable for operating systems develo...

[slavik81]

What is it about RADIX50 that makes it incompatible with the C standard? The lack of a reserved null value?

[WalterBright → slavik81]

https://en.wikipedia.org/wiki/DEC_RADIX_50

Note the lack of lower case, characters like { } ( ) [ ] * : & | # !, and on and on.

[slavik81 → WalterBright]

Oh, as a source file encoding. Well, it lacks the characters needed for trigraphs, so maybe we could add support with a quadgraphs extension...