HTML ISO-8859-1 Reference
ISO-8859-1
ISO-8859-1 is the default character set in most browsers.
The first 128 characters of ISO-8859-1 is the original ASCII character-set (the numbers from 0-9, the uppercase and lowercase English alphabet, and some special characters).
The higher part of ISO-8859-1 (codes from 160-255) contains the characters used in Western European countries and some commonly used special characters.
Entities are used to implement reserved characters or to express characters that cannot easily be entered with the keyboard.
Reserved Characters in HTML
Some characters are reserved in HTML and XHTML. For example, you cannot use the greater than or less than signs within your text because the browser could mistake them for markup.
HTML and XHTML processors must support the five special characters listed in the table below:
Note: Entity names are case sensitive!