[GHC] #7618: Multiline prompt ignores custom prompt

[GHC]

#7618: Multiline prompt ignores custom prompt
-------------------+--------------------------------------------------------
Reporter:  dunric  |          Owner:                
    Type:  bug     |         Status:  new           
Priority:  normal  |      Component:  GHCi          
 Version:  7.6.1   |       Keywords:                
      Os:  Linux   |   Architecture:  x86_64 (amd64)
 Failure:  Other   |      Blockedby:                
Blocking:          |        Related:  #5209         
-------------------+--------------------------------------------------------
 1. start a ghci session
 Prelude>

 2. set some custom prompt
 Prelude> :set prompt "GHCi> "
 GHCi>

 3. start a multiline command
 GHCi> :{
 Prelude|

 Expected "GHCi| " as the custom prompt in multiline command.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7618>
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