Added wxRegion::Offset(x,y)

Go to plan B: wxWindow::Scroll() now moved the
    m_updateRegion for later processing.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@13930 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/gtk/changes.txt

@@ -1,6 +1,19 @@
 
 *** wxWindows 2.3.3 ***
 
+New behaviour for wxWindow::Refresh() as it now produces a 
+delayed refresh. Call the new wxWindow::Update() to force
+an immediate update.
+
+Support for more SGI hardware (12-bit mode among others).
+
+Changed wxDC::Blit() to honour source DC's logical coordinates.
+
+Implemented wxIdleEvent::RequestMore() for simple background
+tasks (unlike thread work).
+
+Various updates to wxHTML.
+
 Some wxFont changes for better mixing of native fonts
 and wxFont's accessors.