Updated to cover version 8.4, this handbook explains the features and commands of the scripting language TcL (Tool Command Language) and its associated graphical user-interface toolkit, Tk. Every command of the language is covered and the platforms and frameworks for application development are described. The relationship of TcL to C programming is also discussed. The CD-ROM contains all the code from the text, as well as source and binary distributions of Tcl/Tk, Tcl extensions, and tools for the major operating systems. Annotation (c) Book News, Inc., Portland, OR (booknews.com)