-Gedcom_ctxt source_date_start(Gedcom_ctxt parent, int level, char *tag,
- char* raw_value,
- int tag_value, Gedcom_val parsed_value)
+Gedcom_ctxt date_start(Gedcom_elt elt, Gedcom_ctxt parent, int level,
+ char *tag, char* raw_value,
+ int tag_value, Gedcom_val parsed_value)