diff -r dee5afe5301f -r 3f74d0d4af4c src/corelib/io/qdatastream.cpp
--- a/src/corelib/io/qdatastream.cpp	Mon Mar 15 12:43:09 2010 +0200
+++ b/src/corelib/io/qdatastream.cpp	Thu Apr 08 14:19:33 2010 +0300
@@ -156,6 +156,12 @@
     data, followed by the data. Note that any encoding/decoding of
     the data (apart from the length quint32) must be done by you.
 
+    \section1 Reading and writing Qt collection classes
+
+    The Qt container classes can also be serialized to a QDataStream.
+    These include QList, QLinkedList, QVector, QSet, QHash, and QMap.
+    The stream operators are declared as non-members of the classes.
+
     \target Serializing Qt Classes
     \section1 Reading and writing other Qt classes.