-ENTER_DESCRIPTION(Bar_number_engraver,
-/* descr */ "A bar number is created whenever measurePosition is zero. It is
-put on top of all staves, and appears only at left side of the staff.",
-/* creats*/ "BarNumber",
-/* acks */ "break-aligned-interface",
-/* reads */ "currentBarNumber stavesFound" ,
-/* write */ "");
+ADD_TRANSLATOR (Bar_number_engraver,
+ /* descr */ "A bar number is created whenever measurePosition is zero. It is\n"
+ "put on top of all staves, and appears only at left side of the staff. "
+ "The staves are taken from @code{stavesFound}, which is maintained by "
+ "@code{@ref{Staff_collecting_engraver}}. ",
+
+ /* creats*/ "BarNumber",
+ /* accepts */ "",
+ /* acks */ "break-aligned-interface",
+ /* reads */ "currentBarNumber stavesFound barNumberVisibility",
+ /* write */ "");