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Alan Zimmerman authored
Summary: At the moment ghc-exactprint, which uses the GHC API Annotations to provide a framework for roundtripping Haskell source code with optional AST edits, has to implement a horrible workaround to manage the points where layout needs to be captured. These are MatchGroup HsDo HsCmdDo HsLet LetStmt HsCmdLet GRHSs To provide a more natural representation, the contents subject to layout rules need to be wrapped in a SrcSpan. This commit does this. Trac ticket #10250 Test Plan: ./validate Reviewers: hvr, goldfire, bgamari, austin, mpickering Reviewed By: mpickering Subscribers: thomie, mpickering Differential Revision: https://phabricator.haskell.org/D1370 GHC Trac Issues: #10250
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