SLang is also a programmer's library that permits a programmer to develop sophisticated platform-independent software. In addition to providing the SLang extension language, the library provides facilities for screen management, keymaps, low-level terminal I/O, etc. However, this document is concerned only with the extension language and does not address these other features of the SLang library. For information about the other components of the library, the reader is referred to the \slang-library-reference.