+ADD_ACKNOWLEDGER (Stanza_number_align_engraver, lyric_syllable);
+ADD_ACKNOWLEDGER (Stanza_number_align_engraver, stanza_number);
+
+ADD_TRANSLATOR (Stanza_number_align_engraver,
+ /* doc */
+ "This engraver ensures that stanza numbers are neatly"
+ " aligned.",
+
+ /* create */
+ "",
+
+ /* read */
+ "",