text - Can a TextEncoding be converted to a String? -

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it possible convert string textencoding using 

mktextencoding :: string -> io textencoding

is there way do reverse? or, given textencoding, way find out information encoding? there doesn't seem eq instance textencoding allow comparing against defined encodings in system.io.

am missing something, or there technical reason why should not possible?

textencoding member of show class in ghc 7.0.1. see ticket #4273.


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