<altGrp>

<altGrp> (alternation group) groups a collection of alt elements and possibly pointers. 16.8 Alternation
組件linking — 16 Linking, Segmentation, and Alignment
屬性 att.pointing.group (@domains, @targFunc) att.pointing (@type, @evaluate)
modestates whether the alternations gathered in this collection are exclusive or inclusive.
狀態 非必備的
合法的值是:
excl
(exclusive) indicates that the alternation is exclusive, i.e. that at most one of the alternatives occurs. [預設值]
incl
(inclusive) indicates that the alternation is not exclusive, i.e. that one or more of the alternatives occur.
屬於 model.global.meta
可包含
core: ptr
linking: alt
宣告
element altGrp
{
   att.global.attributes,
   att.pointing.group.attributes,
   att.pointing.attributes,
   attribute mode { "excl" | "incl" }?,
   ( alt | ptr )*
}
例子
<altGrp mode="excl">
 <alt targets="#dm #lt #bb" weights="0.5 0.25 0.25"/>
 <alt targets="#rl #db" weights="0.5 0.5"/>
</altGrp>
例子
<altGrp mode="incl">
 <alt targets="#dm #rl" weights="0.90 0.90"/>
 <alt targets="#lt #rl" weights="0.5 0.5"/>
 <alt targets="#bb #rl" weights="0.5 0.5"/>
 <alt targets="#dm #db" weights="0.10 0.10"/>
 <alt targets="#lt #db" weights="0.45 0.90"/>
 <alt targets="#bb #db" weights="0.45 0.90"/>
</altGrp>
註
Any number of alternations, pointers or extended pointers.