// objective: test the \class and \headerfile commands// check: class_t1.xml// check: class_t2.xml// check: class_t3.xml// check: class_t4.xml/** A class * \headerfile 013_class.h "inc/013_class.h" */classT1{};classT2{};classT3{};classT4{};/** \class T2 * \headerfile <> * class T2 *//** \class T3 013_class.h * class T3 *//** \class T4 013_class.h "inc/013_class.h" * class T4 */