`ttab_fontactivetab`
		getinstancepo

`tparentfont`
		getinstancepo

`tfont`
		create
		destroy
		assign
		scale
		gethandleforcanvas

`tlinkedoptionalpersistent`

`tlinkedpersistent`
		destroy
		setlinkedvar

`tnullinterfacedpersistent`

`tvirtualpersistent`
		create