Condition 1	Condition 2	Condition 3	Technique
TABLE	General		5.5.A: provide summary
	Layout Table	General	5.3.A: only use if makes sense when linearized
			5.4.A: don't use structural markup
	Data Table	General	5.1.A: check for presence of headers
			5.6.A: check for abbr attribute of headers or ABBR element in header
		Multiple levels of Logical Headers	5.2.A: check for presence of nested headers, via some combination of TH, scope, axis, and headers