Article wrapper This test attempts to demonstrate the three hard cases: horizontal spans, vertical spans, and missing entries. CALS: a1 b1-c2 d1 a2-a4 d2 b3 c3 d3 b4 c4-d4 a5 b5 d5 HTML: a1 b1-c2 d1 a2-a4 d2 b3 c3 d3 b4 c4-d4 a5 b5   d5