rules
property of the tag TABLE . Sets the appearance of dividing lines in the table.
rules=allcolsgroupsnonerows

rules=all 1 2 1.1 1.2	rules=cols 1 2 1.1 1.2	rules=groups 1 2 1.1 1.2
rules=none 1 2 1.1 1.2	rules=rows 1 2 1.1 1.2