\version "2.16.0"

\header {
  texidoc = "Hairpins, DynamicTextSpanners and dynamics can be
positioned independently using @code{\\breakDynamicSpan}, which
causes the alignment spanner to end prematurely.
"
}

\relative c' {
  c1^\<
  \dimTextDim
  c1_\>
  f,1\p

  c'1^\<
  \breakDynamicSpan
  c1_\>
  \breakDynamicSpan
  f,1\p
}
