rem: QLineEdit *le = (QLineEdit*)paramWidget->child("search");
add: QLineEdit *le = (QLineEdit*)paramWidget->child("ledit");
context: void KMFilterActionRewriteHeader::setParamWidgetValue( QWidget* paramWidget ) const{  int idx = mParameterList.findIndex( mParameter );  QComboBox *cb = (QComboBox*)paramWidget->child("combo");  Q_ASSERT( cb );  cb->clear();  cb->insertStringList( mParameterList );  cb->setCurrentItem( idx >= 0 ? idx : 0 );  QLineEdit *le = (QLineEdit*)paramWidget->child("search");  Q_ASSERT( le );  le->setText( mRegExp.pattern() );  le = (QLineEdit*)paramWidget->child("replace");  Q_ASSERT( le );  le->setText( mReplacementString );}