Write a doctype for HTML5

Question

The main goal of the HTML5 specification is to improve conformance to standards. How does the revised *doctype* declaration contribute to this goal?
Check the right answers:

Accepted Answer

```html
<!DOCTYPE html>
```
The simplified notation for declaring a standard HTML5 document. The DTD (Document Type Definition) and namespace attributes are considered obsolete and should be removed.

Accepted Answer

The *doctype* declaration is historical to the HTML language, and mainly serves to indicate to older browsers which rendering mode to use.

Answer

```html
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
 "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
```
This *doctype* declaration remains valid in HTML5, with the only obligation being the presence of the DTD (Document Type Definition) and the associated namespace attributes.

Question from the HTML5/CSS3 test

Write a doctype for HTML5