HTML settings
From MoodleDocs
Template:Moodle 1.9Location: Administration > Appearance > HTML Settings
Remove HTML tags from all activity names
In Moodle 1.9.3 onwards, HTML tags in activity and resource names may be allowed by unchecking the "Remove HTML tags from all activity names" box.
Emoticons
Defines what images are used to replace emoticons (or smilies) in the text. For more information about the emoticons in Moodle 2.0, see Display emoticons as images page.