View difference between Paste ID: gU8pr6Tu and ypr4SajS

 module Main where
 
 import T1
 import T2 -- HERE: why two indentation points?
           -- KB: Because the import declaration may continue on another line.
 
 
 function = return (Structure
-                   , field2 =1231
+
                    , field2 =1231        -- KB: That's a bug
                    })
 
 function :: M X
             function = something something
 function   -- HERE: TAB enter debugger: Lisp error: (parse-error . "Illegal token: =")
            -- KB: That's not valid haskell
 
 function :: Int
 function = do
   let x = 5
    let y = 7
   case x of
    _ -> return () -- HERE: TAB enter debugger: Lisp error: (parse-error . "Illegal token: case")
                   -- KB: not valid haskell either
 
 function = (case x of
              Just x -> 0
              Nothing)                  -- HERE: why also same column as case?
                                        -- KB: because the expression can continue after the case
 
 
-           of
+
                 , )         -- HERE: why move to leftmost column?
            of               -- KB: that's a bug
             x -> x
 
 
 function (_nm,hd) | hd = c
 function (_nm,hd) = b        -- HERE: Tab cause debugger, underscore is important!
                              -- Strange, I have no problems there...
 
 
 function = do
   nested $ do
     val :: String <- return "abc"
   z -- HERE: Why can't have same column as val?
     -- KB: That doesn't look like valid haskell?  Is it a syntax extension?
 
 function = do
   (_ec) <- function
 
            return () -- HERE: can't have at the open parenthesis place, underscore is important
                      -- KB: I don't have any problems here...
 
 
 function (x : xs) | c1==c2 =
                                return () -- HERE: selected points seem strange
                                          -- KB: seems fine, not sure what you would expect...
 
 
 function :: (Monad m)
-         -> m ()         -- HERE: proposed both
+
          -> m ()         -- HERE: proposed both
                          -- KB: not really a bug, but it could be added as an option