crazy for study
G5Yk9AXB - XSLT  
Result
    <?xml version = "1.0"?> <?xml-stylesheet type = "text/xsl" href = "students.xsl"?> <class> <student rollno = "393"> <firstname>Veeru</firstname> <lastname>Khar</lastname> <nickname>Veeru</nickname> <marks>85</marks> </student> <student rollno = "493"> <firstname>Vanu</firstname> <lastname>Gopal</lastname> <nickname>Vanu</nickname> <marks>95</marks> </student> <student rollno = "593"> <firstname>Janvi</firstname> <lastname>Kap</lastname> <nickname>Janvi</nickname> <marks>90</marks> </student> </class>