These rules also govern special symbols used within documents. Once the font is chosen, find the "section" symbol (§), double click it, then hit the Copy button. Wikipedia says: "The section sign (§, Unicode U+00A7, HTML entity §), also called the " double S ", "sectional symbol " or signum sectiōnis, is a. The section sign 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 " and " sectional symbol ". Origin · Use.