In addition to providing all of the ANSI standard M features, GT.M offers a number of language extensions. In this chapter, the language extensions are grouped by intended function to demonstrate their relationships to each other and to the programming process. A summary table is provided in each section. For a full description of a particular extension, refer to its complete entry in the "Commands", "Functions" or "Intrinsic Special Variables" chapter in this manual.

The following sections describe the GT.M language extensions listed below: