Reinsert the killed word.

def reverseCommit(self):
        """
        Reinsert the killed word.
        """
        # Ensure that the cursor position is valid.
        if not self.qteWidget.isSelectionPositionValid(self.selectionPos):
            msg = ('Cannot undo "insert" operation because the selection'
                   'position is invalid. The document is possibly in '
                   'an inconsistent state. Please save and re-open.')
            qteMain.qteLogger.critical(msg)
            return

        # Select and delete the inserted text.
        self.qteWidget.setSelection(*self.selectionPos)
        self.baseClass.removeSelectedText()
        line, col = self.selectionPos[0:2]
        self.qteWidget.setCursorPosition(line, col)