-ADD_ACKNOWLEDGER (Span_bar_stub_engraver, span_bar);
-ADD_ACKNOWLEDGER (Span_bar_stub_engraver, hara_kiri_group_spanner);
+void
+Span_bar_stub_engraver::boot ()
+{
+ ADD_ACKNOWLEDGER (Span_bar_stub_engraver, span_bar);
+ ADD_ACKNOWLEDGER (Span_bar_stub_engraver, hara_kiri_group_spanner);
+}
+