Index: trunk/src/org/openstreetmap/josm/data/validation/tests/Addresses.java
===================================================================
--- trunk/src/org/openstreetmap/josm/data/validation/tests/Addresses.java	(revision 13973)
+++ trunk/src/org/openstreetmap/josm/data/validation/tests/Addresses.java	(revision 13974)
@@ -65,5 +65,5 @@
     // CHECKSTYLE.ON: SingleSpaceSeparator
 
-    private Map<String, Collection<OsmPrimitive>> addresses;
+    private Map<String, Collection<OsmPrimitive>> knownAddresses;
     private Set<String> ignoredAddresses;
 
@@ -124,5 +124,5 @@
     }
 
-    private boolean hasAddress(OsmPrimitive p) {
+    static boolean hasAddress(OsmPrimitive p) {
         return p.hasKey(ADDR_HOUSE_NUMBER) && p.hasKey(ADDR_STREET, ADDR_PLACE);
     }
@@ -136,5 +136,5 @@
             String simplifiedAddress = getSimplifiedAddress(p);
             if (!ignoredAddresses.contains(simplifiedAddress)) {
-                addresses.computeIfAbsent(simplifiedAddress, x -> new ArrayList<>()).add(p);
+                knownAddresses.computeIfAbsent(simplifiedAddress, x -> new ArrayList<>()).add(p);
             }
         }
@@ -142,5 +142,5 @@
 
     protected void initAddressMap(OsmPrimitive primitive) {
-        addresses = new HashMap<>();
+        knownAddresses = new HashMap<>();
         ignoredAddresses = new HashSet<>();
         for (OsmPrimitive p : primitive.getDataSet().allNonDeletedPrimitives()) {
@@ -153,6 +153,6 @@
                         if (!ignoredAddresses.contains(simplifiedAddress)) {
                             ignoredAddresses.add(simplifiedAddress);
-                        } else if (addresses.containsKey(simplifiedAddress)) {
-                            addresses.remove(simplifiedAddress);
+                        } else if (knownAddresses.containsKey(simplifiedAddress)) {
+                            knownAddresses.remove(simplifiedAddress);
                         }
                     }
@@ -167,5 +167,5 @@
     @Override
     public void endTest() {
-        addresses = null;
+        knownAddresses = null;
         ignoredAddresses = null;
         super.endTest();
@@ -173,5 +173,5 @@
 
     protected void checkForDuplicate(OsmPrimitive p) {
-        if (addresses == null) {
+        if (knownAddresses == null) {
             initAddressMap(p);
         }
@@ -181,11 +181,11 @@
                 return;
             }
-            if (addresses.containsKey(simplifiedAddress)) {
+            if (knownAddresses.containsKey(simplifiedAddress)) {
                 double maxDistance = MAX_DUPLICATE_DISTANCE.get();
-                for (OsmPrimitive p2 : addresses.get(simplifiedAddress)) {
+                for (OsmPrimitive p2 : knownAddresses.get(simplifiedAddress)) {
                     if (p == p2) {
                         continue;
                     }
-                    Severity severityLevel = Severity.WARNING;
+                    Severity severityLevel;
                     String city1 = p.get(ADDR_CITY);
                     String city2 = p2.get(ADDR_CITY);
@@ -227,5 +227,5 @@
                             .primitives(Arrays.asList(p, p2)).build());
                 }
-                addresses.get(simplifiedAddress).remove(p); // otherwise we would get every warning two times
+                knownAddresses.get(simplifiedAddress).remove(p); // otherwise we would get every warning two times
             }
         }
Index: trunk/src/org/openstreetmap/josm/gui/history/HistoryBrowserDialogManager.java
===================================================================
--- trunk/src/org/openstreetmap/josm/gui/history/HistoryBrowserDialogManager.java	(revision 13973)
+++ trunk/src/org/openstreetmap/josm/gui/history/HistoryBrowserDialogManager.java	(revision 13974)
@@ -198,5 +198,5 @@
      * Adds a new {@code HistoryHook}.
      * @param hook hook to add
-     * @return <tt>true</tt> (as specified by {@link Collection#add})
+     * @return {@code true} (as specified by {@link Collection#add})
      * @since 13947
      */
@@ -208,5 +208,5 @@
      * Removes an existing {@code HistoryHook}.
      * @param hook hook to remove
-     * @return <tt>true</tt> if this list contained the specified element
+     * @return {@code true} if this list contained the specified element
      * @since 13947
      */
Index: trunk/src/org/openstreetmap/josm/gui/widgets/TextContextualPopupMenu.java
===================================================================
--- trunk/src/org/openstreetmap/josm/gui/widgets/TextContextualPopupMenu.java	(revision 13973)
+++ trunk/src/org/openstreetmap/josm/gui/widgets/TextContextualPopupMenu.java	(revision 13974)
@@ -50,5 +50,5 @@
     private static ImageIcon loadIcon(String iconName) {
         return iconCache.computeIfAbsent(iconName,
-                x -> new ImageProvider(iconName).setOptional(true).setSize(ImageProvider.ImageSizes.SMALLICON).get());
+                x -> new ImageProvider(x).setOptional(true).setSize(ImageProvider.ImageSizes.SMALLICON).get());
     }