Character Entities

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Support Key: [2|3|3.2|4] [X1|X1.1] [IE1|M1|N1|O2.1]
What is it?
Tag Example
Parent/Content Model
Tips & Tricks
Browser Peculiarities
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What is it?
A text character usually lives as an Octet, which is a single byte or 8 bits of data. Using 8 bits allows for 256 (a range from 0-255) possible distinct character codes. While the HTTP protocol allows the full 256 character range of the ISO 8859-1 (ISO Latin) characters to be transported, not all operating systems or applications may natively support this range. In order to increase portability and viewability of this character set on all browsers, HTML offers alternative representations of all the ISO Latin characters using coded Character Entities (see index below.) These case-sensitive, coded representations are created using characters from a proper subset of the ISO Latin character set known as ASCII.

Included in the Character Entity domain are both numbered and named entities:
Numbered Entity Syntax: &#charnumber;
Where charnumber is a distinct integer from 0-255.
Named Entity Syntax: &charname;
Where charname is a unique mnemonic shorthand of the character to be represented.

Note: The trailing semi-colon character (';') is only necessary if the character following the entity reference would be recognized as part of the entity. Even so, it is probably wise to always use this trailing termination character to be consistent.

Character Entity Indexes
The ISO-8859-1 Character Set
000-031 | 032-064 | 065-096 | 097-126
127-159 | 160-191 | 192-223 | 224-255

Unicode Character Entities
Arrows - Arrow Shapes
Greek Capitals - Greek capital characters
Greek Smalls - Greek 'lower case' characters
Math Symbols - Characters commonly used in mathematics
Miscellaneous letters - Latin Extended-A and B characters and Letter-like Symbols
Miscellaneous shapes - Playing card suit symbols and other graphical symbols
Miscellaneous technical symbols - Characters used in various technical disciplines
Bi-directional and spacing characters - Characters used to control bi-directional text and text spacing
General punctuation set 1 - Commonly used punctuation characters
General punctuation set 2 - More commonly used punctuation characters

Character Entities do not accept attributes
À = À
Parent Model
%In-line Parent% | %Block Parent% | <Del> | <Ins> | <Legend> | <Option> | <Script> | <Style> | <Textarea> | <Title>
Content Model
Character Entities do not accept content.
Tips & Tricks Browser Peculiarities
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