Add information about relationship to Fontane (cf. print#28)

modules/fontane/teisimpleprint/tei2teisimple.xqm

@@ -925,7 +925,13 @@ $index-type as xs:string) as element()* {
                             return
                                 (fontaneSimple:make-term("birth", $birth),
                                 fontaneSimple:make-term("death", $death),
-                                fontaneSimple:make-term("occupation", $occupation))
+                                fontaneSimple:make-term("occupation", $occupation),
+                                if(index-info:get-info-about($index-type, $ref, "relation-to-fontane")) then
+                                    let $relation := index-info:get-info-about($index-type, $ref, "relation-to-fontane")
+                                    return
+                                        fontaneSimple:make-term("relation-to-fontane", $relation)
+                                else
+                                    ())
                                 
                         case "wrk" return 
                             (: the index "wrk" not only encompasses works but