`ttrace`
		xdata
		ydata
		xydata
		breaks
		xvalue
		yvalue
		xyvalue
	ro	xdatapo
	ro	ydatapo
	ro	xydatapo
	ro	count
		logx
		logy
		visible
		smooth
pl		xdatalist
pl		ydatalist
pl		color
pl		colorimage
pl		widthmm
pl		dashes
pl		xserrange
pl		xserstart
pl		xrange
pl		xstart
pl		yrange
pl		ystart
pl		kind
pl		start
pl		maxcount
pl		chartkind
pl		options
pl		bar_offset
pl		bar_width
pl		bar_frame
pl		bar_face
pl		bar_ref
pl		imagenr
pl		name
pl		legend_caption
pl		legend_font
pl		hint_captionx
pl		hint_captiony

`townedeventpersistent`
	ro	owner

`tlinkedpersistent`

`tnullinterfacedpersistent`

`tvirtualpersistent`