Character encoding is a set if mappings between byte in the computer and characters. A character can be a letter, a number or any symbol. With HTML you should use UTF-8 encoding. Here is how you declare the encoding for one page:
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Character references are a set of characters that the browsers use to display a character or symbol. This happens because HTML reserves some characters and you cannot use them to print on the screen. Character references can be written using a name or a number. For name character reference use & followed by the name and then ; . For example to print a space use:
For number character reference use &# followed by a number in decimal and ; or &#x followed by a number in hexadecimal number and ;
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