Help on using the <thead> tag

Description The thead tag identifies the heading row of a tgroup or entrytbl.

Example

This CNXML:

<table frame="all" id="tictactoe">
  <tgroup cols="3" align="center">
    <colspec colnum="1" colname="c1"/>
    <colspec colnum="3" colname="c3"/>
    <thead>
      <row>
	<entry namest="c1" nameend="c3">
	  A game of tic-tac-toe
	</entry>
      </row>
    </thead>
    <tbody valign="middle">
      <row>
	<entry>x</entry>
	<entry>o</entry>
	<entry>x</entry>
      </row>
      <row>
	<entry>o</entry>
	<entry>x</entry>
	<entry>o</entry>
      </row>
      <row>
	<entry>o</entry>
	<entry>x</entry>
	<entry>o</entry>
      </row>
    </tbody>
  </tgroup>
</table>

Results in this display:

A game of tic-tac-toe
x	o	x
o	x	o
o	x	o

Attributes (what's this?)

valign (optional): Vertical position of the text.
- top - (default)
- middle
- bottom
id (optional): A unique identifier, whose value must begin with a letter and contain only letters, numbers, hyphens, underscores, colons, and/or periods (no spaces).

Using the <thead> tag