\header {
texidoc = "For juxtaposed chords with the same direction, a
slight optical correction is used. It is constant, and works only if
two chords have no common head-positions range."
}
\header {
texidoc = "For juxtaposed chords with the same direction, a
slight optical correction is used. It is constant, and works only if
two chords have no common head-positions range."
}