user motion, such as to turn the pages of the publication.
3 - Understandable
3.1 - Readable 3.1.1 Language of the Page
A Supported
The default language of the publication is identified using the lang attribute in the HTML element, for the interface.
3.2 - Predictable 3.2.1 On Focus
A Supported
The publication components do not initiate a change of context when focused. Changes of context do not occur automatically on user input. The only field where the end-user can make an error is by entering a non-existing page number. In this case, we go to the first page of the book instead of signaling an error. A label is provided for each of the publication’s input fields.
3.2.2 On Input
A Supported
3.3 - Input Assistance 3.3.1 Error Identification
A Not Supported
3.3.2 Labels or Instruction A Supported
4 - Robust
4.1 - Compatible 4.1.1 Parsing
A Supported
The publication uses semantically correct markup for all interface elements, complete start and end tags, and has tags with unique ID values. Most user interface components in the publication provide programmatic name, role, and/or state information.
4.1.3 Name, Role, Value
A Supported
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