Prostetnic Vogon Jeltz visits the MailReader site. He selects the "Vogon" language option at foot of the Welcome page.
The Welcome page redisplays, but this time it is presented in Vogon. Jeltz goes onto Register with the application, to check his mail, before returning to the Destructor Fleet.
|Goal||Present application in multiple languages and alphabets.|
|Level||Summary||(User Goal, Summary, Subfunction)|
|Trigger||Client selects an alternate locale.|
|1||Tag uses a predefined key to request text for a screen prompt, label, or message.|
|2||System consults message resources for text corresponding to Client's locale.|
|3||Tag presents text provided by system.|
|2a||Text for a key is not found|
|.1||System returns the key as the text to present|
|Preconditions||Message resources loaded at System initalization|
|Minimal Guarantees||Non-null text provided|
|Success Guarantees||Localized text provided|