Fix for https://github.com/eagletmt/ghcmod-vim/issues/30 #32
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A fix is to explicitly tell ghc-mod to use newline as the line separator, in place of its default NULL. The requisite flag ("-b") is present in ghc-mod >= 2.1.2.
As I understand it, the issue is the result of ghc-mod issues/changes
ghc-mod expand
incompatibility DanielG/ghc-mod#128In short: GHC 7.6 is sending the splices to ghc-mod via the logger rather than stderr, so that ghc-mod is inserting its own default line separator (NULL) rather than passing on GHC's.