A markup language is a general term that indicates the separation of the formatting of a document and the content of a document.
Because The term "markup language" refers to the practice of separating a document's content from its presentation. What HTML does to the content inside them is called markup. They identify it as a certain kind of text (like bold, italic, underline etc).
Given that HTML has its own code words, much like any other language, HTML is a language. These factors explain why HTML is called a markup language. A text-encoding system called markup language is used to control a text document's structure, layout, or connections between its sections. In order to boost automated processing, markup is regularly used to alter how a document is viewed or to improve its content.
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