`ttraces`
		logx
		logy
		items
		legend_pos
pl		kind
pl		chartkind
pl		options
pl		xserstart
pl		xstart
pl		ystart
pl		xrange
pl		xserrange
pl		yrange
pl		start
pl		maxcount
pl		image_list
pl		image_widthmm
pl		image_heighthmm
pl		bar_width
pl		bar_ref
pl		font
pl		legend_x
pl		legend_y
pl		legend_dist
pl		legend_fitdist
pl		legend_placement

`townedeventpersistentarrayprop`

`tpersistentarrayprop`
	ro	itemclasstype
	ro	items

`tarrayprop`
		fixcount
		onchange
pl		count