Identifier of the manuscript, usually an abbreviation. In the normal apparatus, the siglum refers to the place of origin or of first use, and the extent (i.e., whether this is an integrum, summer or winter part).
1: content
Type= string // Required= Yes
Contained In:
<accession_x> ... </accession_x>
Required: No
Repeating: No
Contains Character Data: No
Example of Use:

<siglum content="F-Pn lat. 903; 'StYrieix'"/>

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