5. Move the insertion point after the
6. In the Insert Table dialog leave all the options as default (2 cols, 2 rows, no header, no footer).
7. Clicking the OK button inserts a table with the following markup (I've manually pretty printed this for clarity here):
A couple of guesses about what's different:
a) You have a modified DTD.
b) Some setting in the CTM or a script is mucking with this.