Fix material convertsion and units detection.

Tests/Formatter/FormatterTest.cs

@@ -99,6 +99,25 @@ namespace Tests.Formatter
                 _document.Range().Text);
         }
 
+        [Test]
+        public void FormatSpecialItems()
+        {
+            ZaaImporter importer = new ZaaImporter();
+            importer.Import(
+                "Klinische Chemie: glomerul. Filtrationsr. CKD-EP: 36 ml/min /1,73qm; " +
+                "Sammelmenge (U): 12300 ml; "
+                );
+            Document document = new Document();
+            f.Formatter formatter = new f.Formatter(document);
+            formatter.Laboratory = importer.Laboratory;
+            formatter.Settings = new zaaReloaded2.Controller.Settings(
+                new List<ElementBase>() { new Items("*") } );
+            formatter.Run();
+            Assert.AreEqual(
+                "eGFR (CKD-EPI) 36 ml/min/1,73 m², SU-Volumen 12300 ml\r\r",
+                document.Range().Text);
+        }
+
         string GetResourceText(string resource)
         {
             try