--- qt-x11-free-3.3.8/src/widgets/qtextedit.cpp.im	2007-03-19 10:19:10.000000000 +0100
+++ qt-x11-free-3.3.8/src/widgets/qtextedit.cpp	2007-03-19 10:19:47.000000000 +0100
@@ -5059,6 +5059,10 @@
 
 void QTextEdit::setDocument( QTextDocument *dc )
 {
+    if ( dc == 0 ) {
+        qWarning( "Q3TextEdit::setDocument() called with null Q3TextDocument pointer" );
+        return;
+    }
     if ( dc == doc )
 	return;
     resetInputContext();
--- qt-x11-free-3.3.8/src/widgets/qlineedit.cpp.im	2007-03-19 10:20:03.000000000 +0100
+++ qt-x11-free-3.3.8/src/widgets/qlineedit.cpp	2007-03-19 10:22:11.000000000 +0100
@@ -457,10 +457,10 @@
     \property QLineEdit::text
     \brief the line edit's text
 
-    Setting this property clears the selection, clears the undo/redo
-    history, moves the cursor to the end of the line and resets the
-    \c modified property to FALSE. The text is not validated when
-    inserted with setText().
+    Note that setting this property clears the selection, clears the
+    undo/redo history, moves the cursor to the end of the line and
+    resets the \c modified property to FALSE. The text is not
+    validated when inserted with setText().
 
     The text is truncated to maxLength() length.
 
@@ -1014,6 +1014,9 @@
 /*!
     Selects text from position \a start and for \a length characters.
 
+    Note that this function sets the cursor's position to the end of
+    the selection regardless of its current position.
+
     \sa deselect() selectAll() getSelection() cursorForward() cursorBackward()
 */