* would require to have a single, complicated Ligature_engraver that
* consists of all the code... This needs further thoughts.
*/
-Ligature_engraver::Ligature_engraver ()
+Ligature_engraver::Ligature_engraver (Context *c)
+ : Engraver (c)
{
ligature_ = 0;
finished_ligature_ = 0;