+ENTER_DESCRIPTION (Stem_engraver,
+/* descr */ "Create stems and single-stem tremolos. It also works together with "
+"the beam engraver for overriding beaming.",
+/* creats*/ "Stem StemTremolo",
+/* accepts */ "tremolo-event",
+/* acks */ "rhythmic-head-interface",
+/* reads */ "tremoloFlags stemLeftBeamCount stemRightBeamCount",
+/* write */ "");