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From: Tim Rentsch <tr.17687@z991.linuxsc.com>
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cross@spitfire.i.gajendra.net (Dan Cross) writes:

> In [...] early C, `|` and `&` were logical operators.  The
> short-circuiting `||` and `&&` came later, but the usage low
> precedence for `|` and `&` was already baked in.
>
> That's the point:  the precedence reflects the original use as
> boolean operators, not how things evolved for use almost purely
> as bitwise operators.

Surely even in pre-K&R C the & and | operators were used for
bitwise-and and bitwise-or as well as logical connectors.