We are in the process of converting to UTF-8 throughout our site. For the most part we've not had any problems, but presently the ® symbol shows up in the views as an invalid character, but when if the value is output in the Controller then it is displays correctly.
We have made certain to include the meta attribute in the main view:
<meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
Is there a setting that we are missing?