Improved string parser, added license.

[scheme.forth.jl.git] / src / scheme-library.scm

diff --git a/src/scheme-library.scm b/src/scheme-library.scm
index 85580fd..68debca 100644 (file)
--- a/src/scheme-library.scm
+++ b/src/scheme-library.scm
@@ -342,3 +342,30 @@
   (if (= n 0)
     0
     (+ n (sum-recurse (- n 1)))))
+
+;; MISC
+
+(define (license)
+  (display
+"This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see http://www.gnu.org/licenses/.
+"))
+
+(define (welcome)
+  (display
+"Welcome to scheme.forth.jl!
+
+Copyright (C) 2016 Tim Vaughan.
+This program comes with ABSOLUTELY NO WARRANTY; for details type '(license)'.
+Use Ctrl-D to exit.
+"))