I18N Tests: Language declarations

The following tests examine whether language information is available for text processing when declared in various different ways.   [Results]

1. Language declared in html element
2. Language declared in HTTP
3. Language declared in meta tag
4. First value, more than one language in HTTP
5. Second value, more than one language in HTTP
6. First value, more than one language in <meta>
7. Second value, more than one language in <meta>
8. Lang vs meta