Merge branch '4.7' of git://scm.dev.nokia.troll.no/qt/qt-doc-team

* '4.7' of git://scm.dev.nokia.troll.no/qt/qt-doc-team: (329 commits)
  Fixed drawImage() not to attempt drawing null images on openvg.
  QS60Style: Update placeholder texture to real one
  qdoc: Avoid infinite loops in table of contents generation.
  Bump Qt version to 4.7.4
  Return SV_S60_5_2 / SV_SF_3 for next gen Symbian platform.
  Remove incorrect check in qpixmap autotest.
  Change the pooled QGLPixmapData to be backed by QVolatileImage.
  Started changes-4.7.4 file
  Fix endianness detection with gcc 4.6 -flto -fwhole-program
  remove redundand validateModes() call
  Changed s60 style not to rely on QPixmapData::toNativeType().
  Add missing bitmap locking to QVGPixmapData::fromNativeType.
  Don't crash calling QTextDocument::blockBoundingRect on invalid block
  Prepare fromSymbianCFbsBitmap autotest for 16 bpp format.
  Fix writing to an attached property from script.
  fixes/improvements for new QML right-to-left docs
  Fix license headers in example code
  Add flag for forcibly propagating backing store alpha to framebuffer
  Fixed unmatched quotes in s60installs.pro
  Added setSwitchPolicy to MeeGo graphicssystem helper API.
  ...

3 files changed, 15 insertions, 0 deletions

diff --git a/src/gui/math3d/qvector2d.cpp b/src/gui/math3d/qvector2d.cpp
index 7f5a937..1fccfc9 100644
--- a/src/gui/math3d/qvector2d.cpp
+++ b/src/gui/math3d/qvector2d.cpp
@@ -60,6 +60,11 @@ QT_BEGIN_NAMESPACE
     The QVector2D class can also be used to represent vertices in 2D space.
     We therefore do not need to provide a separate vertex class.
 
+    \bold{Note:} By design values in the QVector2D instance are stored as \c float.
+    This means that on platforms where the \c qreal arguments to QVector2D
+    functions are represented by \c double values, it is possible to
+    lose precision.
+
     \sa QVector3D, QVector4D, QQuaternion
 */
 
diff --git a/src/gui/math3d/qvector3d.cpp b/src/gui/math3d/qvector3d.cpp
index 2414b5f..7bf0400 100644
--- a/src/gui/math3d/qvector3d.cpp
+++ b/src/gui/math3d/qvector3d.cpp
@@ -63,6 +63,11 @@ QT_BEGIN_NAMESPACE
     The QVector3D class can also be used to represent vertices in 3D space.
     We therefore do not need to provide a separate vertex class.
 
+    \bold{Note:} By design values in the QVector3D instance are stored as \c float.
+    This means that on platforms where the \c qreal arguments to QVector3D
+    functions are represented by \c double values, it is possible to
+    lose precision.
+
     \sa QVector2D, QVector4D, QQuaternion
 */
 
diff --git a/src/gui/math3d/qvector4d.cpp b/src/gui/math3d/qvector4d.cpp
index 74dedc4..23befc0 100644
--- a/src/gui/math3d/qvector4d.cpp
+++ b/src/gui/math3d/qvector4d.cpp
@@ -59,6 +59,11 @@ QT_BEGIN_NAMESPACE
     The QVector4D class can also be used to represent vertices in 4D space.
     We therefore do not need to provide a separate vertex class.
 
+    \bold{Note:} By design values in the QVector4D instance are stored as \c float.
+    This means that on platforms where the \c qreal arguments to QVector4D
+    functions are represented by \c double values, it is possible to
+    lose precision.
+
     \sa QQuaternion, QVector2D, QVector3D
 */