Checkpoint 10.4 Use operating system conventions to indicate the input configuration. Avoid default input configurations that interfere with operating system conventions. Ensure that programmatic exchanges proceed in a timely manner. For author-identified but unsupported natural languages, allow the user to request notification of language changes in content. Checkpoint 7.7 Allow the user to configure structured navigation.
Consistency is less important than accessibility and adoption of operating system conventions.
Checkpoint 9.4 Allow the user to configure notification preferences for common types of content and viewport changes. Checkpoint 10.8 Allow the user to configure the arrangement of graphical user agent user interface controls. Checkpoint 10.7 Provide default input configurations for frequently performed tasks.