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In SGML, HTML and XML documents, the logical constructs known as character data and attribute values consist of sequences of characters, in which each character can manifest directly (representing itself), or can be represented by a series of characters called a character reference, of which there are two types: a numeric character reference and a character entity reference.
Incorrect HTML entity escaping may also open up security vulnerabilities for injection attacks such as cross-site scripting. If HTML attributes are left unquoted, certain characters, most importantly whitespace, such as space and tab, must be escaped using entities. Other languages related to HTML have their own methods of escaping characters.
A. all named entities from the spec are in the table B. no named entity outside of the spec is in the table C. the decimal code points corresponding to the named entities is as per the spec D. the code points are in format "U+HHHH (D)" E. the hexadecimal value of the code points match the decimal value
Web pages authored using HyperText Markup Language may contain multilingual text represented with the Unicode universal character set.Key to the relationship between Unicode and HTML is the relationship between the "document character set", which defines the set of characters that may be present in an HTML document and assigns numbers to them, and the "external character encoding", or "charset ...
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This page was last edited on 7 October 2021, at 00:09 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may ...
12' Double Top Deluxe Square Patio Umbrella. Looking for as much shade as possible for a big backyard or patio? Consider this 12' x 12' square style, a 4.6-star-rated Amazon product with over ...
A general entity can only be referenced within the document content. A parameter entity can only be referenced within the document type definition (DTD). Entities are also further classified as parsed or unparsed: A parsed entity contains text, which will be incorporated into the document and parsed if the entity is referenced. A parameter ...