Add links to Qt SCXML to appropriate places

Change-Id: I8f4aa2290567dbe28cce03198953db0ef6514392
Reviewed-by: Topi Reiniö <topi.reinio@theqtcompany.com>

doc/src/core.qdoc

@@ -44,9 +44,16 @@ such as a meta-object system which allows run-time introspection, manipulation,
 and invocation of properties and methods in the object. It also serves as the
 basis for Qt's event system, which is a low-level way of communicating between
 QObject-based objects. Another high-level form of communication is provided in
-Qt's signals and slots mechanism. These features can also be used in combination
+Qt's signals and slots mechanism.
+
+These features can also be used in combination
 with the State Machine Framework which provides a formally defined and
-predictable way of managing the states of your application. In addition, QObject
+predictable way of managing the states of your application.
+An alternative way of implementing state machines is using the
+\l{Qt SCXML Overview}{Qt SCXML} add-on module to create them from State Chart
+XML (SCXML) files.
+
+In addition, QObject
 provides a simple timing mechanism with \l QObject::startTimer(). Alternatively,
 the QTimer class provides a high-level interface for timers.
 

doc/src/getting-started/examples.qdoc

@@ -44,7 +44,7 @@
     a consistent look and feel. Custom layouts provide more control over the
     positions and sizes of child widgets.
 
-    These \l{Qt Examples and Tutorials}{Qt Examples} demonstrate various
+    These \l{Qt Examples and Tutorials}{Qt Examples} demonstrate various
     ways of setting widgets in layouts.
 
     \list
@@ -248,6 +248,9 @@
     \li \l{statemachine/trafficlight}{Traffic Light}\raisedaster
     \li \l{statemachine/twowaybutton}{Two-way Button}\raisedaster
     \endlist
+
+    For more information about using the Qt SCXML module to to create state
+    charts from State Chart XML (SCXML) files, see \l {Qt SCXML Examples}.
 */
 
 /*!