Sample XHTML 1.1 plus MathML 2.0 plus SVG 1.1 document

Inside the foreignObject element, math expression like $y=\frac{1}{\sqrt{x^2+1}}$ can be put inside XHTML as well as ruby like WWW World Wide Web .

The base direction of the following paragraph is rtl.

אדם アーダーム Adam

Display math inside SVG:

$$det\left|\begin{array}{ccccc}\hfill c_0\hfill & \hfill c_1\hfill & \hfill c_2\hfill & \hfill \dots \hfill & \hfill c_n\hfill \\ \hfill c_1\hfill & \hfill c_2\hfill & \hfill c_3\hfill & \hfill \dots \hfill & \hfill c_{n+1}\hfill \\ \hfill c_2\hfill & \hfill c_3\hfill & \hfill c_4\hfill & \hfill \dots \hfill & \hfill c_{n+2}\hfill \\ \hfill ⋮\hfill & \hfill ⋮\hfill & \hfill ⋮\hfill & \hfill \hfill & \hfill ⋮\hfill \\ \hfill c_n\hfill & \hfill c_{n+1}\hfill & \hfill c_{n+2}\hfill & \hfill \dots \hfill & \hfill c_{2n}\hfill \end{array}\right|>0$$