[U-Boot] setexpr syntax

[Wolfgang Denk]

Dear Frans Meulenbroeks,

In message <ac9c93b11002250451m3d58dbd3ve7caa50a3acedb3 at mail.gmail.com> you wrote:
> 
> I noticed setexpr help says:
>  <op> can be &, |, ^, +, -, *, /, %
> 
> However, when one uses the hush shell additional escapes might be needed.

Well, yes, of course.

> Not sure whether we should document this somewhere (or modify the help text).
> It took me a few minutes to realise what is going on, so a warning
> somewhere seems in place.

Please feel free to extend / update the documentation, but eventually
necessary shell escapes are beyond the scope of the help message.

Best regards,

Wolfgang Denk

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