gforth.el provides auto-indent, documentation search and an interactive environment.
gforth.el is typically included with an install of gForth (GNU Forth).
Historically, the mode was originally known as
forth.el when started in 1988, but was since renamed.
(autoload 'forth-mode "gforth.el") (autoload 'forth-block-mode "gforth.el") (add-to-list 'auto-mode-alist '("\\.fs$" . forth-mode))