diff -r d4866f6ff2f9 -r 40d66bc3e83f doc-src/Tutorial/Recdef/fib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/doc-src/Tutorial/Recdef/fib	Tue Jan 12 15:49:13 1999 +0100
@@ -0,0 +1,5 @@
+consts fib :: nat => nat
+recdef fib "measure(%n. n)"
+  "fib 0 = 0"
+  "fib 1 = 1"
+  "fib (Suc(Suc x)) = fib x + fib (Suc x)"