<forest>

<forest> (forest) provides for groups of rooted trees. [20.3 Another Tree Notation]
Module nets — Graphs, Networks, and Trees
Attributes
Member of
model.divPart model.standOffPart
Contained by
core: item note q quote said stage textLang
drama: castList epilogue performance prologue set view
figures: cell figure
header: change handNote licence scriptNote
linking: standOff
msdescription: accMat acquisition additions collation condition custEvent decoNote filiation foliation layout musicNotation origin provenance signatures source summary support surrogates typeNote
namesdates: occupation
nets: listForest
tagdocs: specGrp
textcrit: lem rdg
textstructure: argument body div div1 div2 div3 div4 div5 div6 div7 epigraph postscript
transcr: metamark
May contain
nets: eTree tree triangle
Note

One or more trees, embedding trees, or underspecified embedding trees (triangles).
Example
<forest n="ex5" type="derivation-syntactic">
 <eTree n="Stage 1" xml:id="s1SBAR">
  <label>S'</label>
  <eTree xml:id="s1S">
   <label>S</label>
   <eTree xml:id="s1NP1">
    <label>NP</label>
    <eLeaf>
     <label>you</label>
    </eLeaf>
   </eTree>
   <eTree xml:id="s1VP">
    <label>VP</label>
    <eTree xml:id="s1V">
     <label>V</label>
     <eLeaf>
      <label>do</label>
     </eLeaf>
    </eTree>
   </eTree>
  </eTree>
 </eTree>
 <eTree n="Stage 2" xml:id="s2SBAR"
  corresp="#s1SBAR">
  <label>S'</label>
  <eTree xml:id="s2S" corresp="#s1S">
   <label>S</label>
   <eTree xml:id="s2NP1" copyOf="#s1NP1">
    <label>NP</label>
   </eTree>
   <eTree xml:id="s2VP" corresp="#s1VP">
    <label>VP</label>
    <eTree xml:id="s2V" copyOf="#s1V">
     <label>V</label>
    </eTree>
    <eTree xml:id="s2NP2" corresp="#s1NP2">
     <label>NP</label>
     <eLeaf corresp="#s1WH">
      <label>t</label>
     </eLeaf>
    </eTree>
   </eTree>
  </eTree>
 </eTree>
</forest>
Content model 
<content>
 <alternate minOccurs="1"
  maxOccurs="unbounded">
  <elementRef key="tree"/>
  <elementRef key="eTree"/>
  <elementRef key="triangle"/>
 </alternate>
</content>
Schema Declaration 
<rng:element name="forest">
 <rng:ref name="att.global.attributes"/>
 <rng:ref name="att.global.rendition.attributes"/>
 <rng:ref name="att.global.linking.attributes"/>
 <rng:ref name="att.global.analytic.attributes"/>
 <rng:ref name="att.global.facs.attributes"/>
 <rng:ref name="att.global.change.attributes"/>
 <rng:ref name="att.global.responsibility.attributes"/>
 <rng:ref name="att.global.source.attributes"/>
 <rng:ref name="att.typed.attributes"/>
 <rng:oneOrMore>
  <rng:choice>
   <rng:ref name="tree"/>
   <rng:ref name="eTree"/>
   <rng:ref name="triangle"/>
  </rng:choice>
 </rng:oneOrMore>
</rng:element>
element forest
{
   att.global.attributes,
   att.global.rendition.attributes,
   att.global.linking.attributes,
   att.global.analytic.attributes,
   att.global.facs.attributes,
   att.global.change.attributes,
   att.global.responsibility.attributes,
   att.global.source.attributes,
   att.typed.attributes,
   ( tree | eTree | triangle )+
}