`tsigfir`
pl		coeff

`tdoublefiltercomp`
pl		sections

`tdoublezcomp`
	ro	zcount
		output
pl		input

`tdoublesigcomp`
pl		controller

`tsigcomp`

`tcustomsigcomp`

`tmsecomponent`
	ro	moduleclassname
	ro	actualclassname
	ro	msecomponentstate
		onbeforeupdateskin
		onafterupdateskin
pl		helpcontext