The value must fall between 0 and the numerator of the time signature + 1, where 0 represents the left bar line and the upper boundary represents the right bar line. For example, in 12/8 the value must be in the range from 0 to 13.
<dataSpec xmlns="http://www.tei-c.org/ns/1.0" rend="add" ident="data.BEAT" module="MEI">
<desc xml:lang="en">A beat location,
<abbr>i.e.</abbr>, a decimal number.</desc>
<content>
<dataRef name="decimal">
<dataFacet name="minInclusive" value="0"/>
</dataRef>
</content>
<remarks xml:lang="en">
<p>The value must fall between 0 and the numerator of the time signature + 1,
where 0 represents the left bar line and the upper boundary represents the right bar
line.
For example, in 12/8 the value must be in the range from 0 to 13.
</p>
</remarks>
</dataSpec>