reintroduce definition of fork; it doesn't shadow func(fork, ...).

diff --git a/thun/gnu-prolog/defs.txt b/thun/gnu-prolog/defs.txt
index ffc698f..039ecd2 100644 (file)
--- a/thun/gnu-prolog/defs.txt
+++ b/thun/gnu-prolog/defs.txt
@@ -22,6 +22,7 @@ dupdd == [dup] dipd
 dupdipd == dup dipd\r
 enstacken == stack [clear] dip\r
 flatten == [] swap [concat] step\r
+fork == [i] app2\r
 fourth == rest third\r
 gcd == true [tuck mod dup 0 >] loop pop\r
 grabN == [] swap [cons] times\r