Index: trunk/test/unit/org/openstreetmap/josm/gui/dialogs/properties/TaginfoActionTest.java
===================================================================
--- trunk/test/unit/org/openstreetmap/josm/gui/dialogs/properties/TaginfoActionTest.java	(revision 16602)
+++ trunk/test/unit/org/openstreetmap/josm/gui/dialogs/properties/TaginfoActionTest.java	(revision 16606)
@@ -31,4 +31,6 @@
         assertEquals("https://taginfo.openstreetmap.org/keys/railway", action.getTaginfoUrlForTag(new Tag("railway")));
         assertEquals("https://taginfo.openstreetmap.org/tags/railway=tram", action.getTaginfoUrlForTag(new Tag("railway", "tram")));
+        assertEquals("https://taginfo.openstreetmap.org/tags/addr%3Acity=Bassum%3ACity",
+                action.getTaginfoUrlForTag(new Tag("addr:city", "Bassum:City")));
         assertEquals("https://taginfo.openstreetmap.org/relations/route", action.getTaginfoUrlForRelationType("route"));
     }
@@ -48,8 +50,10 @@
      */
     @Test
-    public void testTagHistoryUrls() {
+    public void testTagHistoryUrls() throws Exception {
         TaginfoAction action = new TaginfoAction(() -> null, () -> null).toTagHistoryAction();
         assertEquals("https://taghistory.raifer.tech/#***/railway/", action.getTaginfoUrlForTag(new Tag("railway")));
         assertEquals("https://taghistory.raifer.tech/#***/railway/tram", action.getTaginfoUrlForTag(new Tag("railway", "tram")));
+        assertEquals("https://taghistory.raifer.tech/#***/addr:city/Bassum:City",
+                action.getTaginfoUrlForTag(new Tag("addr:city", "Bassum:City")));
         assertNull(action.getTaginfoUrlForRelationType("route"));
     }