A
AAP (American Association of Publishers)

Organization of publishers that have defined various standard DTDs for SGML, which have been used as the basis for the latest ISO DTDs.

See also [ISO 12083]
absolute link

A hypertext link that identifies a resource by its full address.

See also [relative link]
absolute path

An XPath navigation method that locates an object by its unique identifier, rather than by its contextual location.

See also [relative path]
abstract syntax

An SGML concept not applicable to XML that allows SGML markup syntax to be configurable, so that a start-tag could, for example, be described by '[para]' instead of '<para>'.

accent

A diacritical mark that modifies a base letter. For example, 'é'. The ISOlat1 set of entities

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