In posts you can use the following html tags:
a, b, blockquote, br, caption, cite, code, col, colgroup, dd,
dl, dt, em, i, img, li, ol, p, pre,
q, small, strike, strong,sub, sup, table, tbody, td,
tfoot, th, thead, tr, u, ul, del, ins, h1, h2, h3, h4, h5, h5, hr, kbd
