        ],
            latex: `-+=:\\colon \\coloneq ffif'gvwy0\\sum \\mathit{-+=ffif'gvwy0\\sum}`,
          },
          {
            title: 'Math axis',
            comment: [
              'Fraction bar on the math axis',
              'plus sign on math axis',
              'equal sign centered on math axis',
              'sum/sigma centered on math axis',
              '"o" centered on math axis',
              '"0" bottom aligned with "o" bottom, but "0" top aligned with "+" top',
            ],
  