Mark Hobley wrote:

> Mark Hobley <markhobley@hotpop.donottypethisbit.com> wrote:
>
>> net-misc/utelnetd ~86
>
> By removing the ~86 parameter from the file, I have now managed to
> install the package.

This relies on the fact that missing keyword implies unstable (ie, ~arch), a
feature documented but which might change in the future without notice.
It's better to explicitly specify the keyword (~x86 in your case).