rem: void KMFilterActionAddHeader::argsFromString( const QString argsStr )
add: void KMFilterActionFakeDisposition::argsFromString( const QString argsStr )
context: void KMFilterActionAddHeader::argsFromString( const QString argsStr ){  QStringList l = QStringList::split( '\t', argsStr, TRUE /*allow empty entries*/ );  QString s;  if ( l.count() < 2 ) {    s = l[0];    mValue = "";  } else {    s = l[0];    mValue = l[1];  }  int idx = mParameterList.findIndex( s );  if ( idx < 0 ) {    mParameterList.append( s );    idx = mParameterList.count() - 1;  }  mParameter = *mParameterList.at( idx );}