+
+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 */ "");