What in the samhill is a character entity? Well, if you are working with HTML and really do not know then you might want to take a few minutes in order to read the following…

Character entity references, or entities for short, provide a method of entering characters that cannot be expressed in the document’s character encoding or that cannot easily be entered on a keyboard. Entities are case-sensitive and take the form &name;. Examples of entities include © for the copyright symbol and Α for the Greek capital letter alpha.

In addition to entities, authors can use numeric character references. While entities are limited to a subset of Unicode characters, numeric character references can specify any character. Numeric character references may be given in decimal or hexadecimal, though browser support is stronger for decimal references. Decimal references are of the form &#number; while hexadecimal references take the case-insensitive form &#xnumber;. [Read the rest]

[tags]character entity,unicode characters,hexadecimal[/tags]