`\\begin{cases}
  \\frac{x-y}{4}=\\frac{4-y}{8}\\\\
  -\\frac{y+3}{8}=\\frac{1-2x}{8}
\\end{cases}`,
          },
          {
            title: '<kbd>cases</kbd> Spacing',
            latex: `\\left|
\\begin{cases}
    \\rule{1em}{1em}&\\rule{1em}{1em}\\\\
    \\rule{.5em}{1em}&\\rule{.5em}{1em}\\\\
\\end{cases}
\\right|`,
          },
          {
            title: 'Cases',
            latex: `f(n) = \\begin{cases}
      \\frac{n}{2}, &
          \\text{if } n\\text{ is even} \\\\
      3n+1, &
          