Fix select for multiple DOIs

content/dataset.html

@@ -235,10 +235,12 @@ draft: false
       for (const val of vals) {
         for (const set of publis.sets.values()) {
           if (set.includes(val)) {
+            if (!newvals.some(v=>JSON.stringify(v)===JSON.stringify(set))) {
               newvals.push(set)
             }
           }
         }
+      }
       vals = newvals
     }
     textSelctor = function (value) {