HTML Checking for Large Sites

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The element “label” must not appear as a descendant of the “button” element.

A label element is not allowed as a descendant of a button element.

The label element represents a caption in a user interface. The caption can be associated with a specific form control, known as the label element’s labeled control, either using the for attribute, or by putting the form control inside the label element itself.

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Related W3C validator issues

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