BZRto translates an outline font that's in our home-grown BZR outline font format (described below) to some other form: Metafont, Type 1 PostScript, Type 3 PostScript, or BPL.
BPL format is simply a human-readable form of BZR files. See section 12.1 BPL files. We discuss the other output forms below.
Besides straight format conversion, BZRto can also:
11.1 Metafont and BZRto Output as a Metafont program.11.2 Type 1 PostScript fonts and BZRto Output as a Type 1 PostScript font.11.3 Type 3 PostScript fonts and BZRto Output as a Type 3 PostScript font.11.4 CCC files Creating additional characters.11.5 Invoking BZRto Command-line options.11.6 BZR files The technical definition of BZR format.