        title: 'Matrix with Gap Between Lines',
            latex: `\\begin{aligned}a & b \\\\[2em]c & d\\end{aligned}`,
          },
          {
            title: 'Array Spacing',
            latex: `\\left|
            \\begin{array}{|cc|}
                \\rule{1em}{1em}&\\rule{1em}{1em}\\\\
                \\rule{.5em}{1em}&\\rule{.5em}{1em}\\\\
            \\end{array}
            \\right|`,
          },
          {
            title: 'Multiline Spacing',
            latex: `\\left|
            \\begi