[Haskell-cafe] Can we improve Show instance for non-ascii charcters?

[David Feuer]

This is by far the worst possible option. Incoherent instances lead to
nightmarishly unpredictable behavior.

On Thu, Feb 4, 2016 at 1:45 AM, Imants Cekusins <imantc at gmail.com> wrote:

> What if (some) show instances where alternative representations are
> possible, were moved out of Prelude?
>
> A selection of modules with alternative show instances would be available
> from stand alone modules. To be imported as needed.
>
> For example, bytestring may be 'show'ed in different ways.
>
> Less convenient than now, backward incompatible yet simple enough.
>
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