Thank you for your post.
At this time, rich text is not supported in WebDirect. For more information, see page 14 of the FileMaker 13 WebDirect Guide at:
I recommend that you enter this suggestion into our Feature Requests web form at:
The suggestions entered into this web form populate a database that is hosted and monitored by Development and Product Management. All entries are discussed and considered for possible implementation in a future release. Although I can copy your post and paste it into the web form, there are a couple of questions asked on the form that only you can answer.