+// math.asm: WORD p_minus, '-',fasm
+
anchor:p_minus[]
-Word: -
--------
+=== Word: -
-----
-math.asm: WORD p_minus, '-',fasm
-----
+....
+Data stack: ( v1 v2 -- v3 )
+....
+"-" (minus) is a function word that replaces a pair of values with the
+result of reducing the first, v1, with the second, v2. To that end,
+the values are 64-bit signed integers.