+// stack.asm: WORD p_tuck, 'TUCK',fasm
+
anchor:p_tuck[]
-Word: TUCK
-----------
+=== Word: TUCK
+
+....
+Data stack ( v1 v2 -- v2 v1 v2 )
+....
-----
-stack.asm: WORD p_tuck, 'TUCK',fasm
-----
+"TUCK" is a function word that "inserts" the top cell below the second
+cell on the data stack.
+====
+.Definition concept for TUCK
+****
+: TUCK SWAP OVER ;
+****
+====