Index: trunk/src/org/openstreetmap/josm/actions/search/SearchAction.java
===================================================================
--- trunk/src/org/openstreetmap/josm/actions/search/SearchAction.java	(revision 13431)
+++ trunk/src/org/openstreetmap/josm/actions/search/SearchAction.java	(revision 13432)
@@ -484,8 +484,9 @@
                 GBC.eol());
         hintPanel.add(new SearchKeywordRow(hcbSearchString)
+                .addKeyword("<i>key</i>", null, tr("matches if ''key'' exists"))
                 .addKeyword("<i>key</i>=<i>value</i>", null, tr("''key'' with exactly ''value''"))
                 .addKeyword("<i>key</i>=*", null, tr("''key'' with any value"))
+                .addKeyword("<i>key</i>=", null, tr("''key'' with empty value"))
                 .addKeyword("*=<i>value</i>", null, tr("''value'' in any key"))
-                .addKeyword("<i>key</i>=", null, tr("matches if ''key'' exists"))
                 .addKeyword("<i>key</i>><i>value</i>", null, tr("matches if ''key'' is greater than ''value'' (analogously, less than)"))
                 .addKeyword("\"key\"=\"value\"", "\"\"=\"\"",