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ghci : set - unset

reading Real World Haskell one of the first "get comfortable" tasks is to modify the Haskell prompt.

I would have expected :unset to revert it. But it does not.

Prelude Data.Ratio>:unset prompt unknown option: 'prompt'

Being new to Haskell I'm not sure if I am wrong, this is a bug or this is a feature request.

Trac metadata
Trac field Value
Version 6.10.1
Type FeatureRequest
TypeOfFailure OtherFailure
Priority normal
Resolution Unresolved
Component GHCi
Test case
Differential revisions
BlockedBy
Related
Blocking
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Operating system
Architecture
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