anchor.diff:                  yield! visitMatchClauses clauses
               | SynExpr.App (_, _, _, e, _) ->
                   yield! visitExpr e
  -            | SynExpr.CompExpr (_, _, e, r) ->
  -                yield r
  -                yield! visitExpr e
               | SynExpr.Sequential (_, _, e1, e2, _) ->
                   yield! visitExpr e1
                   yield! visitExpr e2
  -            | SynExpr.YieldOrReturn (_, e, _) ->
  -                yield! visitExpr e
  -            | SynExpr.YieldOrReturnFrom (_, e, _) ->
  +            | SynExpr.CompExpr (_,_,e,r) ->
  +                let cexprEnd = Range.mkPos r.EndLine (r.EndColumn - 1) // exclude the closing } on the cexpr from collapsing
  +                yield mkFileIndexRange r.FileIndex r.Start cexprEnd
  +                yield! visitExpr e
  +            | SynExpr.YieldOrReturn (_,e,r) ->
  +                yield r
  +                yield! visitExpr e
  +            | SynExpr.YieldOrReturnFrom (_,e,r) ->
  +                yield r
  +                yield! visitExpr e
  +            | SynExpr.LetOrUseBang(_,_,_,_,_,e,r) ->
  +                yield r
  +                yield! visitExpr e
  +            | SynExpr.DoBang(e,r) ->
  +                yield r
                   yield! visitExpr e
               | SynExpr.ArrayOrListOfSeqExpr (_, e, _) ->
                   yield! visitExpr e
  
positive.code:             | SynExpr.LetOrUse (_, _, bindings, body, _) ->
                  yield! visitBindings bindings
                  yield! visitExpr body
              | SynExpr.Match (seqPointAtBinding,_,clauses,_,r) ->
                  match seqPointAtBinding with
                  | SequencePointAtBinding pr ->
  
negative.code:                 yield! visitExpr e
              | SynExpr.Quote(_,isRaw,e,_,r) ->
                  // subtract columns so the @@> or @> is not collapsed
                  let rEnd = Range.mkPos r.End.Line (r.EndColumn-(if isRaw then 3 else 2)) 
                  yield mkFileIndexRange r.FileIndex r.Start rEnd
                  yield! visitExpr e
              | _ -> ()
  