Index: /trunk/src/org/openstreetmap/josm/gui/dialogs/properties/PropertiesDialog.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/gui/dialogs/properties/PropertiesDialog.java	(revision 5974)
+++ /trunk/src/org/openstreetmap/josm/gui/dialogs/properties/PropertiesDialog.java	(revision 5975)
@@ -297,4 +297,5 @@
                         }
                     }
+                    ((JLabel)c).putClientProperty("html.disable", Boolean.TRUE); // Fix #8730
                     ((JLabel)c).setText(str);
                 }