The descriptive or semantic markup tags to describe uses fragments of text, but without specifying how they should be represented, or in what order. The languages specifically designed to generate descriptive markup are SGML and XML.
Labels can be used to add any kind of content metadata. For example, the standard Atom syndication language, provides a method of marking time, which is the data provided by the editor when certain information was last modified. The standard does not specify how it should be presented, or even whether to display. Software can use this data in multiple ways.
One of the virtues of descriptive markup is its flexibility: the text fragments are labeled as they are, not as they should appear. These fragments can be used for more purposes than originally planned for Mac Repairs Sydney.
Descriptive markup also simplifies the task of reformatting text because the formatting information is separated from its contents. For example, a fragment indicated as italic ( text < / i >), can be used to mark emphasis or to indicate words in another language. The descriptive markup is evolving into the generic markup. The new descriptive markup systems in tree structured documents, with the ability to add cross references.
