Fix some typos in documentation.

Fix some spelling and grammatical errors in comments that show up in Qt documentation. No changes to code.

Change-Id: I2e946fda0bd9a2117f8e9b2fb300df9bf0a98a6c
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Topi Reiniö <topi.reinio@digia.com>

examples/widgets/doc/src/diagramscene.qdoc

@@ -507,7 +507,7 @@
 
     \snippet graphicsview/diagramscene/diagramscene.cpp 5
 
-    \c DiagramTextItems emit a signal when they loose focus, which is
+    \c DiagramTextItems emit a signal when they lose focus, which is
     connected to this slot. We remove the item if it has no text.
     If not, we would leak memory and confuse the user as the items
     will be edited when pressed on by the mouse.
@@ -715,7 +715,7 @@
 
     \snippet graphicsview/diagramscene/diagramtextitem.cpp 2
 
-    \c DiagramScene uses the signal emitted when the text item looses
+    \c DiagramScene uses the signal emitted when the text item loses
     focus to remove the item if it is empty, i.e., it contains no
     text.
 

src/corelib/tools/qalgorithms.qdoc

@@ -534,7 +534,7 @@
     Use std::lower_bound instead.
 
     Performs a binary search of the range [\a begin, \a end) and
-    returns the position of the first ocurrence of \a value. If no
+    returns the position of the first occurrence of \a value. If no
     such item is found, returns the position where it should be
     inserted.
 

src/corelib/tools/qtimezone.cpp

@@ -185,7 +185,7 @@ Q_GLOBAL_STATIC(QTimeZoneSingleton, global_tz);
 
     The method systemTimeZoneId() returns the current system IANA time zone
     ID which on OSX and Linux will always be correct.  On Windows this ID is
-    translated from the the Windows system ID using an internal translation
+    translated from the Windows system ID using an internal translation
     table and the user's selected country.  As a consequence there is a small
     chance any Windows install may have IDs not known by Qt, in which case
     "UTC" will be returned.
@@ -771,7 +771,7 @@ QTimeZone::OffsetDataList QTimeZone::transitions(const QDateTime &fromDateTime,
 /*!
     Returns the current system time zone IANA ID.
 
-    On Windows this ID is translated from the the Windows ID using an internal
+    On Windows this ID is translated from the Windows ID using an internal
     translation table and the user's selected country.  As a consequence there
     is a small chance any Windows install may have IDs not known by Qt, in
     which case "UTC" will be returned.

src/gui/image/qimage.cpp

@@ -1426,7 +1426,7 @@ qreal QImage::devicePixelRatio() const
 }
 
 /*!
-    Sets the the device pixel ratio for the image. This is the
+    Sets the device pixel ratio for the image. This is the
     ratio between image pixels and device-independent pixels.
 
     The default \a scaleFactor is 1.0. Setting it to something else has

src/gui/image/qpixmap.cpp

@@ -665,7 +665,7 @@ qreal QPixmap::devicePixelRatio() const
 }
 
 /*!
-    Sets the the device pixel ratio for the pixmap. This is the
+    Sets the device pixel ratio for the pixmap. This is the
     ratio between image pixels and device-independent pixels.
 
     The default \a scaleFactor is 1.0. Setting it to something else has

src/widgets/doc/src/modelview.qdoc

@@ -463,7 +463,7 @@
 
     We get the model index that corresponds to the selection by calling
     \l{QItemSelectionModel::currentIndex()}{treeView->selectionModel()->currentIndex()}
-    and we get the the field's string by using the model index. Then we just
+    and we get the field's string by using the model index. Then we just
     calculate the item's \c hierarchyLevel.  Top level items do not have parents
     and the \l{QAbstractItemModel::}{parent()} method will return a default
     constructed \l{QModelIndex}{QModelIndex()}. This is why we use the
@@ -548,7 +548,7 @@
     the underlying data.  The data can be looked up by calling
     \l{QModelIndex::data()}{index.data()}. The delegate's
     \l{QAbstractItemDelegate::}{sizeHint()} method is used to obtain each
-    star's dimensions, so the the cell will provide enough height and width to
+    star's dimensions, so the cell will provide enough height and width to
     accommodate the stars.
 
     Writing custom delegates is the right choice if you want to show your data

src/widgets/graphicsview/qgraphicssceneevent.cpp

@@ -874,7 +874,7 @@ void QGraphicsSceneContextMenuEvent::setPos(const QPointF &pos)
 
 /*!
     Returns the position of the mouse cursor in scene coordinates at the moment the
-    the context menu was requested.
+    context menu was requested.
 
     \sa pos(), screenPos()
 */
@@ -899,7 +899,7 @@ void QGraphicsSceneContextMenuEvent::setScenePos(const QPointF &pos)
 
 /*!
     Returns the position of the mouse cursor in screen coordinates at the moment the
-    the context menu was requested.
+    context menu was requested.
 
     \sa pos(), scenePos()
 */

src/widgets/styles/qstyleoption.cpp

@@ -1116,7 +1116,7 @@ QStyleOptionToolBar::QStyleOptionToolBar(int version)
 
     The order of the positions within a line starts at the top of a
     vertical line, and from the left within a horizontal line. The
-    order of the positions for the lines is always from the the
+    order of the positions for the lines is always from the
     parent widget's boundary edges.
 
     \value Beginning The toolbar is located at the beginning of the line,