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A markup language is a type of language used to annotate text and embed tags in accurately styled electronic documents, irrespective of computer platform, operating system, application or program.
The term markup language is derived from the marking up of manuscripts, where handwritten markups were annotated in the form of printer instructions. Markup languages are also used in playlists, vector graphics, Web services and user interfaces. HTML is the most widely used markup language.
There are three types of electronic markup language:
Gencode was the first public markup language presentation in computer text processing. Some other major markup languages include:
Markup languages generally intertwine document text with markup instructions in the same data or file stream. The codes enclosed in angle-brackets (<>) are markup instructions (also known as tags), and the text between these instructions is the actual document text. Codes that appear near the beginning and end of the first statement are known as semantic markup and describe the included text. In contrast, presentational markup specifies a particular text characteristic without a description.