<forestGrp>

<forestGrp> (forest group) provides for groups of forests. 19.3 Another Tree Notation
組件nets — 19 Graphs, Networks, and Trees
屬性
typeidentifies the type of the forest group.
狀態 非必備的
資料類型 
data.enumerated
值 A character string.
屬於 model.divPart
可包含
nets: forest
宣告
element forestGrp
{
   att.global.attributes,
   attribute type { data.enumerated }?,
   forest+
}
註
One or more forests.