docs: def reverseCommit(self):
          """
          Reinsert the killed word.
          """
          if self.selectionPosOld is None:
              return
  
          # Shorthand.
          wid = self.qteWidget
  
          # Select, backup, and delete the selection.
          wid.setSelection(*self.selectionPosNew)
          self.baseClass.replaceSelectedText(self.oldText)
  
          # Add the styling information.
          line, col = self.selectionPosNew[0:2]
          wid.SCISetStylingEx(line, col, self.oldStyle)
          wid.setCursorPosition(line, col)