Board Thread:Support Requests - Getting Technical/@comment-4654734-20130221071517/@comment-188432-20130221162757

The exclamation point is wikitext for the html. You might want to swing by tardis:T:TABLES for a plain English explanation for what all the markup does. You'll probably also find wikipedia:help:Table useful as well — particularly if you plan to use CSS to improve your table formats. You've got to know what the HTML term is for the various bits of wikitext in order to start defining the CSS.