General Guidelines
Provide human translation of vital information in the threshold languages defined by the Language Access Ordinance. This includes clear navigation to translations.
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Translation for other relevant languages is encouraged
JAWS Screen Reader and Languages
JAWS provides language switching with any supported speech synthesizer. When a Web page author indicates the language of an entire page, or just part of a page, if the synthesizer in use supports that language, JAWS uses the language specific version of the synthesizer to speak the text. The synthesizer must support the language of the information. If the synthesizer does not support the language specified for a page or part of a page, JAWS still indicates the language of the information. For example for Chinese JAWS will say, “heading level 2 , Chinese”
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Provide Default Human Language
Ensure that the default human language of each web page can be programmatically determined.
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Content Presented in a Different Language Than the Default Language
Ensure that user agents can correctly present phrases, passages, and in some cases words written in multiple languages.
This makes it possible for user agents and assistive technologies to present content according to the presentation and pronunciation rules for that language.
This applies to graphical browsers as well as screen readers, braille displays, and other voice browsers.
When content has been referred to in a different language, ensure that it has been marked with a lang attribute to help screen reader users or other assistive technology users to properly convert the text into synthetic speech.
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<ul> <li><a href="..." lang="de">Deutsch</a></li> <li><a href="..." lang="it">Italiano</a></li> <li><a href="..." lang="fr">Français</a></li> ... <li><a href="..." lang="zh-hant">繁體中文</a></li> </ul> |
Both assistive technologies and conventional user agents can render text more accurately if the language of each passage of text is identified. Screen readers can use the pronunciation rules of the language of the text. Visual browsers can display characters and scripts in appropriate ways. This is especially important when switching between languages that read from left to right and languages that read from right to left, or when text is rendered in a language that uses a different alphabet. Users with disabilities who know all the languages used in the Web page will be better able to understand the content when each passage is rendered appropriately.
When no other language has been specified for a phrase or passage of text, its human language should be the default human language of the web page. So the human language of all content in single language documents can be programmatically determined.
Individual words or phrases in one language can become part of another language. For example, "rendezvous" is a French word that has been adopted in English, appears in English dictionaries, and is properly pronounced by English screen readers. Hence a passage of English text may contain the word "rendezvous" without specifying that its human language is French and still satisfy this Success Criterion. Frequently, when the human language of text appears to be changing for a single word, that word has become part of the language of the surrounding text. Because this is so common in some languages, single words should be considered part of the language of the surrounding text unless it is clear that a change in language was intended. If there is doubt whether a change in language is intended, consider whether the word would be pronounced the same (except for accent or intonation) in the language of the immediately surrounding text.
Most professions require frequent use of technical terms which may originate from a foreign language. Such terms are usually not translated to all languages. The universal nature of technical terms also facilitate communication between professionals.
Some common examples of technical terms include: Homo sapiens, Alpha Centauri, hertz, and habeas corpus.
Identifying changes in language is important for a number of reasons:
It allows braille translation software to follow changes in language, e.g., substitute control codes for accented characters, and insert control codes necessary to prevent erroneous creation of Grade 2 braille contractions.
Speech synthesizers that support multiple languages will be able to speak the text in the appropriate accent with proper pronunciation. If changes are not marked, the synthesizer will try its best to speak the words in the default language it works in. Thus, the French word for car, "voiture" would be pronounced "voyture" by a speech synthesizer that uses English as its default language.
Marking changes in language can benefit future developments in technology, for example users who are unable to translate between languages themselves will be able to use machines to translate unfamiliar languages.
Marking changes in language can also assist user agents in providing definitions using a dictionary.