\mergeDifferentlyHeadedOn + \change Staff ?

[Mark Polesky]

In the example below, how do I get the second half-note to merge?
- Mark

\version "2.13.18"

\new PianoStaff <<
  \new Staff = "upper" {
    <<
      {
        \mergeDifferentlyHeadedOn
        b8 c' d' e'
        \change Staff = "lower" b8
        \change Staff = "upper" c' d' e'
      } \\ {
        b2 \change Staff = "lower" b
      }
    >>
  }
  \new Staff = "lower" {
    \clef bass s1
  }
>>

merge.png
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