Index: trunk/src/org/openstreetmap/josm/gui/mappaint/mapcss/Functions.java
===================================================================
--- trunk/src/org/openstreetmap/josm/gui/mappaint/mapcss/Functions.java	(revision 15245)
+++ trunk/src/org/openstreetmap/josm/gui/mappaint/mapcss/Functions.java	(revision 15246)
@@ -50,5 +50,5 @@
  * immediately. Add the annotation {@link NullableArguments} to allow null arguments.
  * Every method must be static.
- * 
+ *
  * @since 15245 (extracted from {@link ExpressionFactory})
  */
@@ -767,4 +767,59 @@
 
     /**
+     * Returns the OSM user name who last touched the current object.
+     * @param env the environment
+     * @return the OSM user name who last touched the current object
+     * @see IPrimitive#getUser
+     * @since 15246
+     */
+    public static String osm_user_name(final Environment env) { // NO_UCD (unused code)
+        return env.osm.getUser().getName();
+    }
+
+    /**
+     * Returns the OSM user id who last touched the current object.
+     * @param env the environment
+     * @return the OSM user id who last touched the current object
+     * @see IPrimitive#getUser
+     * @since 15246
+     */
+    public static long osm_user_id(final Environment env) { // NO_UCD (unused code)
+        return env.osm.getUser().getId();
+    }
+
+    /**
+     * Returns the version number of the current object.
+     * @param env the environment
+     * @return the version number of the current object
+     * @see IPrimitive#getVersion
+     * @since 15246
+     */
+    public static int osm_version(final Environment env) { // NO_UCD (unused code)
+        return env.osm.getVersion();
+    }
+
+    /**
+     * Returns the id of the changeset the current object was last uploaded to.
+     * @param env the environment
+     * @return the id of the changeset the current object was last uploaded to
+     * @see IPrimitive#getChangesetId
+     * @since 15246
+     */
+    public static int osm_changeset_id(final Environment env) { // NO_UCD (unused code)
+        return env.osm.getChangesetId();
+    }
+
+    /**
+     * Returns the time of last modification to the current object, as timestamp.
+     * @param env the environment
+     * @return the time of last modification to the current object, as timestamp
+     * @see IPrimitive#getRawTimestamp
+     * @since 15246
+     */
+    public static int osm_timestamp(final Environment env) { // NO_UCD (unused code)
+        return env.osm.getRawTimestamp();
+    }
+
+    /**
      * Translates some text for the current locale. The first argument is the text to translate,
      * and the subsequent arguments are parameters for the string indicated by <code>{0}</code>, <code>{1}</code>, …