在CRM Dynamics 4.0 SiteMap文件中添加特殊字符（html编码）

I would like to know if this is possible to add special character into the CRM (4.0) SiteMap entity (SiteMap XML files). I mean when we modify the menu located on the left I would like to have some HTML encoded character. By example ® or some other special characters.I would like to know if this is possible to add