-XDisambiguateRecordFields

[Serge D. Mechveliani]

The  ghc-6.10.1  doc writes about  -fdisambiguate-record-fields,
the compiler does not recognize it,
also it does not recognize  -XDisambiguate-record-fields,
and it does recognize       -XDisambiguateRecordFields.

Also is not it better to uniformly use an upper case letter instead of 
dash everywhere in flags?

Regards,

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Serge Mechveliani
mechvel at botik.ru