diff -r 5dc02b23752f -r 3e2da88830cd src/declarative/graphicsitems/qdeclarativepath.cpp
--- a/src/declarative/graphicsitems/qdeclarativepath.cpp	Tue Jul 06 15:10:48 2010 +0300
+++ b/src/declarative/graphicsitems/qdeclarativepath.cpp	Wed Aug 18 10:37:55 2010 +0300
@@ -533,6 +533,13 @@
 /*!
     \qmlproperty string PathAttribute::name
     the name of the attribute to change.
+
+    This attribute will be available to the delegate as PathView.<name>
+
+    Note that using an existing Item property name such as "opacity" as an
+    attribute is allowed.  This is because path attributes add a new
+    \l{qdeclarativeintroduction.html#attached-properties} {Attached Property}
+    which in no way clashes with existing properties.
 */
 
 /*!
@@ -628,7 +635,7 @@
     \qml
     Path {
         startX: 0; startY: 0
-        PathQuad x: 200; y: 0; controlX: 100; controlY: 150 }
+        PathQuad { x: 200; y: 0; controlX: 100; controlY: 150 }
     }
     \endqml
     \endtable
@@ -713,8 +720,9 @@
     Path {
         startX: 20; startY: 0
         PathCubic {
-            x: 180; y: 0; control1X: -10; control1Y: 90
-                          control2X: 210; control2Y: 90
+            x: 180; y: 0
+            control1X: -10; control1Y: 90
+            control2X: 210; control2Y: 90
         }
     }
     \endqml
@@ -867,6 +875,9 @@
 
 void QDeclarativePathPercent::setValue(qreal value)
 {
-    _value = value;
+    if (_value != value) {
+        _value = value;
+        emit changed();
+    }
 }
 QT_END_NAMESPACE