Replacement within held parts is not handled correctly

[corywalker]

assert.Equal(t, "Hold[Length[{a, b, c}]]", EasyRun("{a, b, c} /. {n__} :> Hold[Length[{n}]]", es)) assert.Equal(t, "Hold[Length[{a, b, c}]]", EasyRun("{a, b, c} /. {n__} -> Hold[Length[{n}]]", es))

both of these fail.