PUBLIC MARKS with tags caractères & encodage

Character encoding and character sets, in truth, are not that difficult to understand. But if you don't understand them, you are going to be caught by surprise by some of HTML Purifier's behavior, namely the fact that it operates UTF-8 or the limitations of the character encoding transformations it does. This document will walk you through determining the encoding of your system and how you should handle this information. It will stay away from excessive discussion on the internals of character encoding.

Le minimum absolu que tout développeur doit absolument, positivement savoir sur Unicode et les jeux de caractères (aucune excuse !)