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\case should trigger auto-multiline mode in ghci

    • Closed Issue created by dmwit @trac-dmwit

    In ghci, most block heralds trigger the multiline mode when :set +m is on. However, \case does not (and should). Compare:

    Prelude> ($True) (\case
Prelude|  x -> x
Prelude| )
True
Prelude> ($True) $ \case

<interactive>:11:11:
    Empty list of alternatives in case expression
      Use EmptyCase to allow this
    Trac metadata
    Trac field Value
    Version 7.10.1
    Type FeatureRequest
    TypeOfFailure OtherFailure
    Priority normal
    Resolution Unresolved
    Component Compiler
    Test case
    Differential revisions
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    Operating system
    Architecture
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