How do I create Bold or Italicized formatting that can transfer over XML?

How do I create Bold or Italicized formatting that can transfer over XML?

I am trying to create an XML feed for a job site and I would like my formatting to go to the jobsite.

How can I get my bold and italics to go through the XML to the job site (Indeed)?  Do I need to use <b> </b> or <i></i> in Creator ?

Thanks