Use W3C documentation for the XHTML1.1 table model. (http://www.w3.org/TR/xhtml-modularization/abstract_modules.html#s_tablemodule)
The following, in order:
Any one of:
<col> Table Column (XHTML table model), zero or more
<colgroup> Table Column Group (XHTML table model), zero or more
Any one of:
The following, in order:
<thead> Table Header (XHTML table model), zero or one
<tfoot> Table Footer (XHTML table model), zero or one
<tbody> Table Body (XHTML table model), one or more
<tr> Table Row (XHTML table model), one or more