.so tmac.tr .ds CF .sv |1.25i .ce 1 \f3Icon Version 5.9 Distribution\fR .sp 2 .PP Distribution material for the \*U implementation of Version 5.9 of Icon is enclosed. .Un This system can be configured for VAXs and PDP-11s, and it contains provisions for porting to other computers. .PP The enclosed documentation includes installation instructions, a brief overview of Version 5 of Icon, and a description of Version 5.9, including some new optional language extensions. Also included are UNIX manual pages, a manual for the Icon program library, a description of the implementation, and supplementary documentation related to porting Icon. .PP A complete description of Version 5 of Icon is available in book form: .RS .LP \fIThe Icon Programming Language\fR, Ralph E. Griswold and Madge T. Griswold, .br Prentice-Hall, Inc., 1983. .RE .PP Before beginning the installation process, read Sections 1 and 2 of the installation and maintenance guide (TR 84-13). If you encounter problems with installing or running Version 5.9, contact us as described in Section 7 of the installation and maintenance guide. .nf .sp 4 Ralph E. Griswold .sp August 27, 1984