Teach the alternative layout rule about mdo and rec

diff --git a/compiler/parser/Lexer.x b/compiler/parser/Lexer.x
index d350f11..51aa2f3 100644 (file)
--- a/compiler/parser/Lexer.x
+++ b/compiler/parser/Lexer.x
@@ -1954,6 +1954,8 @@ lexTokenAlr = do mPending <- popPendingImplicitToken
                      ITlet   -> setAlrExpectingOCurly (Just ALRLayoutLet)
                      ITof    -> setAlrExpectingOCurly (Just ALRLayoutOf)
                      ITdo    -> setAlrExpectingOCurly (Just ALRLayoutDo)
                      ITlet   -> setAlrExpectingOCurly (Just ALRLayoutLet)
                      ITof    -> setAlrExpectingOCurly (Just ALRLayoutOf)
                      ITdo    -> setAlrExpectingOCurly (Just ALRLayoutDo)

+                     ITmdo   -> setAlrExpectingOCurly (Just ALRLayoutDo)
+                     ITrec   -> setAlrExpectingOCurly (Just ALRLayoutDo)

                      _       -> return ()
                  return t
 
                      _       -> return ()
                  return t