The three tables below contain the following coding: 

TABLE 1. <table border="0">

TABLE 2. <table rules="none">

TABLE 3. <table frame="void" rules="none">

TEST: The three tables below should render identically with no borders or rules.

TABLE 1

THEAD THEAD THEAD
TFOOT TFOOT TFOOT
TBODY TBODY TBODY
TBODY TBODY TBODY

TABLE 2

THEAD THEAD THEAD
TFOOT TFOOT TFOOT
TBODY TBODY TBODY
TBODY TBODY TBODY

TABLE 3

THEAD THEAD THEAD
TFOOT TFOOT TFOOT
TBODY TBODY TBODY
TBODY TBODY TBODY