System Identifier
From Handwiki A system identifier is a document-processing construct introduced in the HyTime markup language as a supplement to SGML. It was subsequently incorporated[by whom?] into the HTML and XML markup languages.
In HyTime, there are two kinds of system identifier: formal system identifier (FSI) and simple system identifier.
In HTML and XML, a system identifier is a fragmentless URI reference. It typically occurs in a Document Type Declaration. In this context, it is intended[by whom?] to identify a document type which is used exclusively in one application, whereas a public identifier identifies a document type that may span more than one application.
In the following example, the system identifier is the text contained within quotes:
<!DOCTYPE html SYSTEM "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
External links
- Description of the system identifier in the context of the Extensible Markup Language (XML) 1.0 (Fifth Edition) on W3.org
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Categories: [Markup languages] [Computing terminology]
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☰ Source: https://handwiki.org/wiki/System_identifier | License: CC BY-SA 3.0
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