Support validation of the following HTML5 input types:
color, range, search, number, email, url, date, time, week, datetime, datetime-local
Allow using the following HTML5 attributes on form controls:
- autofocus attribute for , or <textarea> elements required attribute for , or <textarea> elements placeholder attribute values for or <textarea> elements
- pattern attribute values for elements
- data-regexp attribute values for elements (non standard)