Tables

Basic

A	B	A and B
False	False	False
True	False	False
False	True	False
True	True	True

Column and row span

Header row, column 1 (header rows optional)	Header 2	Header 3	Header 4
body row 1, column 1	column 2	column 3	column 4
body row 2	Cells may span columns.
body row 3	Cells may span rows.	Table cells contain body elements.
body row 4