data.BEAT A beat location, i.e., [0-9]+(\.?[0-9]*)? 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.
Module MEI
Used by
data.BEAT = xsd:decimal { minInclusive = "0" }

MEI Guidelines Version 2.1.1

Data Types and Macros