Thank you for all the replies and especially pointing to this ticket. I think, the discussion on this ticket is actually misleading and there is a simple solution, which I added as a comment.
Manuel > Thomas Miedema <thomasmied...@gmail.com>: > > > It would be great if someone could create a Trac ticket > > Existing ticket: https://ghc.haskell.org/trac/ghc/ticket/11529 > <https://ghc.haskell.org/trac/ghc/ticket/11529> ("Show instance of Char > should print literals for non-ascii printable charcters")
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