       title: 'Stacks (surd atom)',
            latex: '\\textcolor{blue}{\\Large \\sqrt{2}=\\sqrt[3]{2}}',
          },
        ],
        'Styling': [
          {
            pic: 'ordinary-3.gif',
            title: 'Ordinary symbols, styled',
            comment:
              'In math mode, styling commands are exclusive, except for <kbd>\\boldsymbol</kbd>. <kbd>\\mathbf</kbd> is upright bold, <kbd>\\mathit</kbd> is normal italic',
            latex: `Xx\\Gamma\\mathrm{Xx}\\mathbf{Xx\\Gamma}\\mathit{\\