mathop{x}+y',
            pic: '-mathopx+y.png',
          },
          {
            title: 'Displaystyle/Textstyle Spacing',
            comment: '',
            latex: '-1-2=\\frac34',
          },
          {
            title: 'Displaystyle/Textstyle Spacing `close`',
            comment: '',
            latex: ')x)+)=)\\frac34)))();',
          },
          {
            title: 'Scripstyle/Scriptscriptstyle Spacing',
            comment:
              'op after ord, ord or op after op, op after close 