+
+ENTER_DESCRIPTION(Clef_engraver,
+/* descr */ "Determine and set reference point for pitches",
+/* creats*/ "Clef OctavateEight",
+/* accepts */ "",
+/* acks */ "bar-line-interface",
+/* reads */ "clefPosition clefGlyph centralCPosition clefOctavation explicitClefVisibility",
+/* write */ "");