CUPS is the standards-based, open source printing system developed by Apple Inc. for OS X® and other UNIX®-like operating systems. CUPS uses the Internet Printing Protocol (IPP) to support printing to local and network printers.
Jul 31, 2015filter grofftops: print GNU troff source code documents
This filter converts GNU troff (groff) sources to PostScript or PDF
and tries to include the needed fonts for PostScript output (for PDF
output, font embedding is already done by the gropdf postprocessor,
depending on the groff installation).