<gb>

<gb> (gathering begins) marks the point in a transcribed codex at which a new gathering or quire begins. 3.10.3 Milestone Elements
Module transcr — 11 Representation of Primary Sources
In addition to global attributes att.typed (@type, @subtype) att.spanning (@spanTo)
Used by
model.milestoneLike
May contain Empty element
Declaration 

<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
}
Example
Note
By convention, gb elements should appear at the start of the first page in the gathering. The global n attribute indicates the number or other value used to identify this gathering in a collation.
The type attribute may be used to further characterize the gathering in any respect.