.center;Abstract for PRETTY .sk3 .para PRETTY is a utility program for formatting BLISS source and require files so that they correspond to generally accepted formatting standards. PRETTY is written in BLISS and runs on DECsystem-10, DECSYSTEM-20, and VAX computers. While PRETTY does perform syntax checking, its main function is formatting. .para Output format is tailorable via a set of commands embedded as BLISS comments in the sources being formatted. PRETTY supports BLISS V3.0 syntax. A maintenance document describing the functions of several of the main modules as well as guidelines for adding new BLISS syntax and user commands, a User's Guide, help files, and command files for building PRETTY to run on various machines are included.