HTML entities (also known as character entity references) enable you to use characters that aren’t supported by the document’s character encoding or your keyboard. For example, you can type © to output a copyright symbol.
You can also use numeric character references. Numeric character references can be defined with either a decimal or hexadecimal value (although decimal is more common). The numeric character reference … [ Read more ]
Source: “HTML Special Character Reference” | Original Publication: Quackit.com | Subject: Quick Reference