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Proper code formatting makes it easier to read and understand. Different programmers often prefer different styles of formatting, such as the use of code indentation and whitespace or positioning of braces. A code formatter or code indenter converts source code from one format style to another. This is relatively straightforward because of the ...
Initially code-named "Cougar", [18] HTML 4.0 adopted many browser-specific element types and attributes, but also sought to phase out Netscape's visual markup features by marking them as deprecated in favor of style sheets. HTML 4 is an SGML application conforming to ISO 8879 – SGML.
A numeric character reference in HTML refers to a character by its Universal Character Set/Unicode code point, and uses the format &#nnnn; or &#xhhhh; where nnnn is the code point in decimal form, and hhhh is the code point in hexadecimal form. The x must be lowercase in XML documents.
In HTML and XML, a numeric character reference refers to a character by its Universal Character Set/Unicode code point, and uses the format: &#xhhhh;. or &#nnnn; where the x must be lowercase in XML documents, hhhh is the code point in hexadecimal form, and nnnn is the code point in decimal form.
Some text editors and code formatting tools perform syntax highlighting using pattern matching heuristics (e.g. Regular expressions) rather than implementing a parser for each possible language. [10] This can result in a text rendering system displaying somewhat inaccurate syntax highlighting and in some cases performing slowly.
These formatting commands were derived from those used by typesetters to manually format documents. Steven DeRose [22] argues that HTML's use of descriptive markup (and the influence of SGML in particular) was a major factor in the success of the Web, because of the flexibility and extensibility that it enabled. HTML became the main markup ...
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Generally, coding can be copied and pasted, without writing new code. There is a short list of markup and tips at Help:Cheatsheet. In addition to wikitext, some HTML elements are also allowed for presentation formatting. See Help:HTML in wikitext for information on this.