styling-2.gif',
            comment:
              'Operators are unaffected by styling except <kbd>\\sin \\theta</kbd>, in bold. In LaTeX, lowercase greek letters and operators are not affected by <kbd>\\mathbf</kbd>',
            latex: `\\mathbf{\\sin \\theta} + \\mathit{\\cos \\theta} + \\mathbf{\\sin x} + \\boldsymbol{\\sin \\theta}`,
          },
          {
            title: '\\mathbf vs \\boldsymbol',
            pic: 'styling-3.gif',
            latex:
              'x\\sin\\theta\\Theta\\boldsymb