Possible parser label issue

[dougajmcdonald]

This guy doesn't parse, gives errors about unknown labels:

;redcode-94
;name Bubbly Sort 1b
;author Ilmari Karonen
;strategy Going for the size point with this one..
;strategy I hope I'm not too late, good reason:
;strategy  I've spent the last twelve days a few
;strategy  kilometers away from the nearest modem,
;strategy  and so couldn't participate earlier, or
;strategy  even know that the tournament had begun
;strategy Written and optimized in a few hours for
;strategy size only!
;strategy  length: 10 instructions
;strategy  speed: ITEMS*(ITEMS-1)/2 comparisons
;strategy         1 comparison = 2 cycles
;strategy         1 swap = 7 cycles (!)
;date Jul 14, 1997
;planar sort
;assert MAXLENGTH > 10

LAST    equ     (ITEMLIST+ITEMS-1)
temp    equ     (swap-1)

	org     loop

swap    mov.i   @ptr, temp
	mov.i   *ptr, >ptr
	mov.i   temp, }ptr
loop    slt.b   <ptr, {ptr
	djn.b   loop, count
	jmn.b   swap, count
count   mov.ab  #ITEMS-1, #ITEMS-1
	add.f   count, ptr
	djn.f   loop, count
ptr     dat.f   LAST, LAST+1

	end

line
char
type
message
31
18
ERROR
Unrecognised label 'ITEMS'
31
28
ERROR
Unrecognised label 'ITEMS'
34
17
ERROR
Unrecognised label 'ITEMLIST'
34
17
ERROR
Unrecognised label 'ITEMS'
34
23
ERROR
Unrecognised label 'ITEMLIST'
34
23
ERROR
Unrecognised label 'ITEMS'

[gareththegeek]

The error message is correct that ITEMS is not defined - I have no idea what this is meant to be...

Some special constant that isn't in the corewar standard I guess.