rem: unread( 0 ),
add: unread( QString::null ),
context:   KMFolderTreeItem( QListViewItem* parent,		    KMFolder* folder,		    KMPaintInfo *aPaintInfo )    : QListViewItem( parent, folder->label() ),      folder( folder ),      unread( 0 ),      mPaintInfo( aPaintInfo )    {}