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Predeclared In computer languages, the term pre-declared refers to built-in information, encodings or tools that are available to a programmer, often in the form of entities, variables, objects, functions or instructions. It is mostly not possible to overwrite or otherwise manipulate them. == Pre-declared entity ==
A pre-declared entity is a built-in notation convention for a character or a string. For example, in the HTML markup language, a large number of character and numeric entities are available to represent characters. In HTML, '<' is a possible pre-declared entity to represent '<'. The programmer must not declare this entity by himself before he can use it, since it is already pre-declared by the specifications of the HTML language. Pre-declared entities are often used as escape sequences to represent information that would otherwise cause possible conflicts in its non-encoded form.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Predeclared」の詳細全文を読む
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