`tdatacolheader`
pl		options

`tcolheader`
	ro	mergedcx
	ro	mergedx
	ro	mergedcy
	ro	mergedy
pl		color
pl		caption
pl		textflags
pl		font
pl		frame
pl		face
pl		mergecols
pl		mergerows
pl		hint
pl		imagelist
pl		imagenr
pl		imagedist
pl		captiondist
pl		imagepos
pl		colorglyph

`tindexpersistent`
	ro	index
	ro	ident
	ro	prop

`townedeventpersistent`
	ro	owner

`tlinkedpersistent`

`tnullinterfacedpersistent`

`tvirtualpersistent`