texmath-0.10: tests/writers/j.tex
\begin{matrix}
\text{jcirc} & j \\
\text{Jcirc} & J \\
\text{jcy} & i \\
\text{Jcy} & I \\
\text{jfr} & \mathfrak{j} \\
\text{Jfr} & \mathfrak{J} \\
\text{jmath} & \jmath \\
\text{jopf} & \mathbb{j} \\
\text{Jopf} & \mathbb{J} \\
\text{jscr} & \mathcal{j} \\
\text{Jscr} & \mathcal{J} \\
\text{jsercy} & j \\
\text{Jsercy} & J \\
\text{jukcy} & ie \\
\text{Jukcy} & Ie \\
\end{matrix}