| DocBook: The Definitive Guide 2.0.14 (Alpha)

# Added Math Symbols: Ordinary Character Entities (%isoamso;)

%isoamso; — Added Math Symbols: Ordinary Character Entities

## Synopsis

The `%isoamso;` parameter entity includes the ISO character entities with the public identifier:

      ISO 8879:1986//ENTITIES Added Math Symbols: Ordinary//EN

## Description

ISO and the W3C are cooperating to provide an official set of character entity references for XML. A description of this set is available at http://www.w3.org/2003/entities/iso8879doc/isoamso.html

Added Math Symbols: Negated Relations Character Entities (%isoamsn;) |  | Added Math Symbols: Relations Character Entities (%isoamsr;)

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