[TYPO3-mvc] fluid textarea default value

[Bas van der Togt]

Hello,

I have a fluid form with a textarea field. I want to give this textarea 
field a default value which can be changed by the user:

<f:form.textarea id="message" property="message" class="text" 
value="Dear {contactperson.firstname} {contactperson.surname}," 
errorClass="error" />

However when the form is not validated my default value is back and not 
the change the visitor made.

Is this a bug or a missing feature?

Kind regards,
Bas