[SYMBOL][A][B][C][D][E][F][G][H][I][J][K][L][M][N][O][P][Q][R][S][T][U][V][W][X][Y][Z]xDoc global variable XMLcollapsible menus, creating data, embedding node trees, converting to JavaScript objects XML\: OPML (Outline Processing Markup Language) XML2JS( ) function XMLoutline.js library