+// logic.asm: WORD p_0less, '0<',fasm
+
anchor:p_0less[]
-Word: 0<
-----------
+=== Word: 0<
+
+....
+Data stack: ( v -- 0/-1 )
+....
+
+"0<" is a function word that replaces a value with -1 if the value is
+less than 0, and 0 otherwise.
+====
+.Word: 0<
+[caption='Definition concept {counter:exec}: ']
----
-logic.asm: WORD p_0less, '0<',fasm
+: 0= 0 SWAP < ;
----
+====
+See also <<p_swap,SWAP>> and
+<<p_lessthan,<>>.