自定义格式
适用于简单的工作流
<?xml version="1.0" encoding="iso-8859-1" ?>
<!element successor empty >
<!attlist successor v nmtoken #required >
<!element element ( successor+, predecessor* ) >
<!attlist element xpos nmtoken #required >
<!attlist element name nmtoken #required >
<!attlist element type nmtoken #required >
<!attlist element description nmtoken #required >
<!attlist element ypos nmtoken #required >
<!attlist element role nmtoken #fixed "undefined" >
<!attlist element id nmtoken #required >
<!element predecessor empty >
<!attlist predecessor v nmtoken #required >
<!element workflow ( element+ ) >
<!attlist workflow owner nmtoken #required >
<!attlist workflow description nmtoken #required >