haddockExtraDocs.hs:9:5: warning: [GHC-05641] [-Winvalid-haddock]
    Multiple Haddock comments for a single entity are not allowed.
    The extraneous comment will be ignored.

haddockExtraDocs.hs:15:5: warning: [GHC-05641] [-Winvalid-haddock]
    Multiple Haddock comments for a single entity are not allowed.
    The extraneous comment will be ignored.

haddockExtraDocs.hs:20:3: warning: [GHC-05641] [-Winvalid-haddock]
    Multiple Haddock comments for a single entity are not allowed.
    The extraneous comment will be ignored.

haddockExtraDocs.hs:25:3: warning: [GHC-05641] [-Winvalid-haddock]
    Multiple Haddock comments for a single entity are not allowed.
    The extraneous comment will be ignored.