The document discusses various HTML form attributes such as autocomplete, autofocus, list, max, min, step, pattern, placeholder, required, and formtarget that can be used to control the behavior and validation of HTML form inputs. It provides examples of how to use these attributes, and references additional resources for information on HTML5 forms and input attributes. Key attributes covered include those that define data validation, default values, constraints, and how forms submit data.

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14. http://www.w3schools.com/html5/html5_form_attributes.asp