[texhax] Issues with `^' when inputting manmac

[Rodolfo Medina]

Philip Taylor <P.Taylor at Rhul.Ac.Uk> writes:

> Rodolfo Medina wrote:
>
>     Hi all.
>
> The following simple example:
> [...]
>
>     
> gets error when processed with `tex file'.  In fact, D. Knuth activates and
> uses in manmac.tex the character `^' in his indexing macros, that I'm
> studying and want to use myself.  Anyone has any idea of how to avoid that
> error?
>
> \write \inx {$x\string ^2$}


...Or also: $x\sp2$?

Thanks,

Rodolfo