What has been changed? * A default 4tH directory can be defined by setting an environment variable. * Support for creating custom 4tH implementations. * The multitasking environment is scriptable now. * The library files concerning ANS Core Extensions, table searching and interpretation have been rewritten or replaced. * About 95% of the CORE wordset is supported. * Comes with an extensive library, featuring hundreds of words covering ANS-Forth compatibility, user defined stacks, lists, XLS files, "Festival" speech synthesis interface, etc. etc. * Comes with a nice, 370+ page manual. * Over 10,000 lines of Forth code and more than 100 example programs!! * Native packages for MS-DOS, MS-Windows and Linux.