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The section sign (§, Unicode U+00A7, HTML entity §) is a typographical character used mainly to refer to a particular section of a document, such as a legal code. It is also called "double S", "hurricane", "sectional symbol", "the legal doughnut", signum sectiōnis.

It is frequently used along with the pilcrow (¶), or paragraph sign. When duplicated, as §§, it is read as the plural "sections" (§§ 13–21), much as "pp." (pages) is the plural of "p." (short for the Latin pagina). The likely origin of the section sign is the digraph formed by the combination of two S'es (from the Latin signum sectionis).

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