Craig Steiner wrote:
<i>If you open a tag, be sure to close it. That is to say, if you open a boldface tag with &lt;B>, be sure to close it with &lt;/B>. Otherwise, the rest of the page will look ugly. If you aren't familiar with how to use opening and closing tags, please study this before using them in messages as bad HTML tags can really mess things up. Messages with bad HTML tags will normally be deleted.</i>

For the avoidance of bad/mismatched HTML tags, it would be useful to have a "preview" button so we could check that the message looks OK before hitting that 'Post' button!