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1.4 Macro Packages

Elemental typesetting functions can be be challenging to use directly with complex documents. A macro facility specifies how certain routine operations, such as starting paragraphs, or printing headers and footers, should be performed in terms of those low-level instructions. Macros can be specific to one document or collected together into a macro package for use by many. Several macro packages available; the most widely used are provided with groff. They are man, mdoc, me, mm, mom, and ms.