-ENTER_DESCRIPTION(Note_head_line_engraver,
-/* descr */ "Engrave a line between two note heads, for example a glissando.
-If followVoice is set, staff switches also generate a line.",
-/* creats*/ "Glissando VoiceFollower",
-/* accepts */ "glissando-event",
-/* acks */ "rhythmic-head-interface",
-/* reads */ "followVoice",
-/* write */ "");