Documenter's Workbench (DWB) is the successor to the original Bell
    Labs version of troff.  The current package, DWB 3.4, includes 86
    commands:  troff, tbl, eqn, grap, pic, picasso, a pipeline builder,
    PostScript drivers and utilities for bounding box computation and
    device interrogation; optional (at no cost) LaserJet and Imagen
    printer support; man, mm and other macro packages, font tables,
    etc.  A companion add-on, DWBX 3.4, provides an X Window previewer,
    drawing program, spell corrector and hypertext man page viewer.

    The source code is fully-portable to UNIX SVR2, SVR3, SVR4, BSD
    and SunOS, and is available for corporate or university license at
    a fixed price, and for sublicense at a negotiable fee.  Binaries
    are available for all AT&T, NCR and Sun UNIX platforms.  One full
    set of documentation (7 booklets and 9 Quick Reference cards)
    included with each license.

    Sales inquiries: AT&T Software Solutions, 1-800-462-8146 (US),
    +1-908-580-5719 from elsewhere; fax 1-908-580-6355.
    Technical inquiries: dwb@mhpo.att.com.