Have you tried switching the description editor to "Text Mode"? There is a link right above the editor to do this.
Let us know if this method of entering a description works for you. Also, sometime this coming week I hope to have an updated version of the Description Editor up on the site. It seems like the current version has caused problems for a few people.
When you block a person, they can no longer invite you to a private message or post to your profile wall. Replies and comments they make will be collapsed/hidden by default. Finally, you'll never receive email notifications about content they create or likes they designate for your content.
Note: if you proceed, you will no longer be following .