Update operators.md

[jesper-olsen]

logical not - higher precedence than and/xor/or, comparison.

[fdncred]

Either I'm not following what this PR is supposed to do, or it's just not right. If you do help operators | sort-by precedence -r the order is correct in our current documentation.

[jesper-olsen]

Take the expression "not true and false"

If "not" has lower precedence than "and" then it is equivalent to

not (true and false) = not false = true

if "not" has higher precedence than and, then it it is equivalent to

(not true) and false = false and false = false

The shell - like most other languages - implements the latter case. So the documentation
is wrong. "not" has the highest precedence of all the boolean operators.

[fdncred]

ok, but then our help operators command and code that generates it must be wrong too. I'm not sure if 0 was hard coded for not or if it is system generated. I haven't looked.

[sholderbach]

Related issue already on nushell/nushell#13675

[fdncred]

I thought this issue sounded familiar.