Problem in reading Xml file

[freak104]

I am making xml file for rssfeed. but rssfeed reader is not reading some special character.I have following data:Machinery Vibration Analysis Training Course (with optional Mobius Institute certification exam - ISO 18436.2 Category II Vibration Analyst)In XML file it looks likeMachinery Vibration Analysis Training Course (with optional Mobius Institute certification exam ISO 18436.2 Category II Vibration Analyst)when rssfeed reader read this xml file it shows xml error. please help me to solve this.thank you