USing a Single original document Set to generate dead tree and on-line documentation, and uSually alSo on-line help. In practice, it moSt often referS to a FrameMaker file Set with conditional text which, when the conditionS are Set appropriately, allowS you to create variantS of the original document (e.g., for a product that runS on different UnixplatformS) aS well aS for different media -- typically taSk-oriented on-line help to be acceSSed under MicroSoft WindowS or from a web browSer, linear printed document, and HTML delivered via the WWW and/or CD-ROM.