mathbf{Xx}} \\mathbf{\\mathit{Xx\\Gamma}} \\boldsymbol{\\mathrm{Xx}}\\mathcal{EXxe}`,
          },
          {
            title: '\\boldsymbol vs \\mathbf',
            latex:
              '\\mathcal{A}\\boldsymbol{\\mathcal{B}}\\mathbf{\\mathcal{C}}\\mathcal{\\mathbf{D}}',
            comment:
              '\\boldsymbol *add* bold. \\mathbf replaces variant. A is in cal, B is Cal Bold, C is in cal, D is in bold',
          },
          {
            title: 'Style applied to operator',
            pic: '