2476     var mclass = getTypeOfDomTree(base) || "mord";
2477     return makeSpan([mclass],
3301         return makeSpan([group.value.mclass]);
3307             [group.value.mclass]);
3562 groupTypes.mclass = function(group, options) {
3565     return makeSpan([group.value.mclass], elements, options);
4043     if (group.value.mclass === "mopen" ||
4044         group.value.mclass === "mclose") {
4160 groupTypes.mclass = function(group, options) {
7669         mclass: "m" + context.funcName.substr(5),  property
7697         mclass: "mrel",  property
7726     "\\bigl" : {mclass: "mopen",    size: 1},  property
7727     "\\Bigl" : {mclass: "mopen",    size: 2},  property
7728     "\\biggl": {mclass: "mopen",    size: 3},  property
7729     "\\Biggl": {mclass: "mopen",    size: 4},  property
7730     "\\bigr" : {mclass: "mclose",   size: 1},  property
7731     "\\Bigr" : {mclass: "mclose",   size: 2},  property
7732     "\\biggr": {mclass: "mclose",   size: 3},  property
7733     "\\Biggr": {mclass: "mclose",   size: 4},  property
7734     "\\bigm" : {mclass: "mrel",     size: 1},  property
7735     "\\Bigm" : {mclass: "mrel",     size: 2},  property
7736     "\\biggm": {mclass: "mrel",     size: 3},  property
7737     "\\Biggm": {mclass: "mrel",     size: 4},  property
7738     "\\big"  : {mclass: "mord",     size: 1},  property
7739     "\\Big"  : {mclass: "mord",     size: 2},  property
7740     "\\bigg" : {mclass: "mord",     size: 3},  property
7741     "\\Bigg" : {mclass: "mord",     size: 4}  property
7966         mclass: delimiterSizes[context.funcName].mclass,  property