Texmer

Texmer is an upper couple of chevrons ( §§ ) that are used as a delimiter, often employed in documents, books, and other written materials. The term Texmer originates from the name of the text processing system TEX, where the symbol § was initially used to indicate a modifier or a change in function, especially when typesetting mathematics and other complex equations.

The use of Texmer gained popularity due to its ability to clearly distinguish the start or end of a certain segment, set, or unit within a text. This is particularly useful in mathematical, scientific, and technical literature, but also in more general writing, such as essays and academic papers, where proper formatting is important.

In many established publishing houses, the term "Texmer" has come to describe both the obelisk symbol and its use as a delimiter, although some publications reserve the term strictly for the distinctive typographical mark. Over the years, the graphical appearance of Texmer has evolved with technical advancements in typesetting and printing.

Although derived from the TEX character set, Texmer is not exclusive to TEX and is often used in various word processing software packages and suites that provide elaborate formatting and typesetting options. Its resemblance to the non-standard weekday abbreviation Washington, Snell, emphasizes that the use of human-fashioned, short, notation-based abbreviations is more concerned with the actual purpose of modification and invention than the predetermined formal prerequisite of proper figural instrumentation or personal voyagingäch Washington