Support for encoding Italian Trecento Notation (Mensural Module) #657
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- Adding support for the different divisions of the breve (through the 'divisio' attribute). - And support for the different (graphical) mensuration signs that indicate these divisions.
These are, 'sign', 'dot', and 'slash'.
This forbids the simultaneous use of the divisio attribute (that defines the division of the breves in Italian notation) and the pair of attributes tempus and prolatio (used in French mensural notation). The constraint works only for the 'mensur' element. The 'staffDef' and 'scoreDef' elements are not considered because these elements won't include mensuration-related attributes anymore in the forthcoming schema.
Examples:While all the following examples are valid for the elements Diviso values allowed now:
No simultaneous use of
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This was referenced Mar 23, 2020
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The arrival of this pull request was stated in #634 (comment), and it is meant to replace PR #537
@divisioattribute for encoding the different divisions of the breve used in Italian Trecento notation.@tempusand@prolatio(in French notation).@signfor encoding mensuration signs used in Italian Trecento notation.@dot,@sign, and@slash).Therefore, the attributes that encode the semantics of the mensuration (
@mdousmaior,@modusminor,@tempus,@prolatio, and@divisio, which encode the divisions / relative_values of the notes) are separated from the attributes encoding the mensuration signs (@dot,@sign, and@slash). This is useful because some pieces don't have a mensuration sign, but there is an implied mensuration still. Additionally, the meaning of some mensuration signs varies through time and between geographical regions. And, for Italian Trecento mensuration, multiple symbols can represent the same mensuration (have the same semantics).