From the beginning, XML was intended to be used internationally. To support authentic international use, XML must be capable of expressing character sets used in all (or at least the most widely used) world languages. To achieve this international usage and express the ideas and words of many languages, XML has built on several other agreed approaches for expressing characters.
Many of the issues discussed in this chapter are important if you plan to use more than one language in your XML documents.
The 1-byte (8-bit) approach of the ASCII code is insufficient for expressing more than a few languages. Increasing ...