<altGrp>

<altGrp> (alternation group) groups a collection of alt elements and possibly pointers. 16.8 Alternation
Module linking — 16 Linking, Segmentation, and Alignment
In addition to global attributes att.pointing.group (@domains, @targFunc) (att.pointing (@type, @evaluate))
mode states whether the alternations gathered in this collection are exclusive or inclusive.
Status Optional
Legal values are:
excl
(exclusive) indicates that the alternation is exclusive, i.e. that at most one of the alternatives occurs. [Default]
incl
(inclusive) indicates that the alternation is not exclusive, i.e. that one or more of the alternatives occur.
Used by
model.global.meta
May contain
core: ptr
linking: alt
Declaration 

<rng:element name="altGrp">
 <rng:ref name="att.global.attributes"/>
 <rng:ref name="att.pointing.group.attributes"/>
 <rng:ref name="att.pointing.attributes"/>
 <rng:optional>
  <rng:attribute name="mode" a:defaultValue="excl">
   <rng:choice>
    <rng:value>excl</rng:value>
    <rng:value>incl</rng:value>
   </rng:choice>
  </rng:attribute>
 </rng:optional>
 <rng:zeroOrMore>
  <rng:choice>
   <rng:ref name="alt"/>
   <rng:ref name="ptr"/>
  </rng:choice>
 </rng:zeroOrMore>
</rng:element>
element altGrp
{
   att.global.attributes,
   att.pointing.group.attributes,
   att.pointing.attributes,
   attribute mode { "excl" | "incl" }?,
   ( alt | ptr )*
}
Example
<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>
Example
<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>
Note
Any number of alternations, pointers or extended pointers.