texmath-0.11: tests/writers/02580_Block_Elements.tex
\begin{matrix}
& \text{258} & \text{259} \\
\text{0} & ▀ & ▐ \\
\text{1} & ▁ & ░ \\
\text{2} & ▂ & ▒ \\
\text{3} & ▃ & ▓ \\
\text{4} & ▄ & ▔ \\
\text{5} & ▅ & ▕ \\
\text{6} & ▆ & ▖ \\
\text{7} & ▇ & ▗ \\
\text{8} & █ & ▘ \\
\text{9} & ▉ & ▙ \\
\text{A} & ▊ & ▚ \\
\text{B} & ▋ & ▛ \\
\text{C} & ▌ & ▜ \\
\text{D} & ▍ & ▝ \\
\text{E} & ▎ & ▞ \\
\text{F} & ▏ & ▟ \\
\end{matrix}