In this section we will mention just a couple of topics that the W3C is or has been working on with regards to internationalization of markup.

It is important to declare the language of text in documents on the Web, and will become more important as technology develops in the future. There are two types of language declaration:

• Text-processing language
  • the language of a specific range of text
  • used for processing such as text-to-speech, styling, etc.
  • can indicate only ONE language at a time
• Primary language metadata
  • describes the language(s) of the document as a whole
  • not a list of all languages used in the document
  • could be more than one language