-ADD_INTERFACE (Custos, "custos-interface",
- "A custos object.",
- "style neutral-position neutral-direction");
+ADD_INTERFACE (Custos,
+ "A custos object. @code{style} can have four valid values:"
+ " @code{mensural}, @code{vaticana}, @code{medicaea}, and"
+ " @code{hufnagel}. @code{mensural} is the default style.",
+
+ /* properties */
+ "style "
+ "neutral-position "
+ "neutral-direction "
+ );