Antialiasing lines mapserver v 4.4.1

[Killpack, Ron]

Greetings,
I some maps created with v 4.4.1
Is it possible to antialias lines in mapserver v 4.4.1?
If so what would have to be done below to achieve results?

IMAGETYPE png24
.
.
.
.
LAYER	
	NAME "intsthwys"
	DATA  highways/intsthwys.shp
	STATUS DEFAULT
	TYPE LINE
	MAXSCALE 1500000
	PROJECTION
		"init=epsg:4326"
	END
	CLASS
		SYMBOL cart
		SIZE 4
		COLOR 20 20 20 
	END
END

Thanks,
Ron Killpack
Enterprise Electronics Corporation 
128 S. Industrial Blvd.
Enterprise, AL 36330
E-mail: rkillpack at eecradar.com
Voice: 334-347-3478 ext 331

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