A doubled mark can mean pluralSourced
Section signs can count the references
The section sign § is used to refer to a section of a document. The doubled form §§ can refer to multiple sections. What resembles an ornament carries information about how many sections the reference concerns.
A small mark can distinguish singular from plural.
Summary / translation: Unbubly · CC BY-SA 4.0
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Section sign · Wikimedia contributors
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Reviewed: 2026-10-05