<gb>

<gb> (gathering begins) marks the point in a transcribed codex at which a new gathering or quire begins. 3.10.3 Milestone Elements
組件 transcr — 11 Representation of Primary Sources
除全域屬性以外 att.typed (@type, @subtype) att.spanning (@spanTo)
屬於
model.milestoneLike
可包含 空白元素
宣告 

<rng:element name="gb">
 <rng:ref name="att.global.attributes"/>
 <rng:ref name="att.typed.attributes"/>
 <rng:ref name="att.spanning.attributes"/>
 <rng:empty/>
</rng:element>
element gb
{
   att.global.attributes,
   att.typed.attributes,
   att.spanning.attributes,
   empty
}
例子