Work around a problem with RTL mutators
Work around a problem with RTL mutators

jstnhuang/blockly,twodee/blockly,picklesrus/blockly,jstnhuang/blockly,jstnhuang/blockly,trinketapp/blockly,rachel-fenichel/blockly,google/blockly,picklesrus/blockly,trinketapp/blockly,google/blockly,rachel-fenichel/blockly,google/blockly,nickmain/blockly,joshlory/blockly,nickmain/blockly,google/blockly,nickmain/blockly,picklesrus/blockly,twodee/blockly,nickmain/blockly,trinketapp/blockly,rachel-fenichel/blockly,google/blockly,trinketapp/blockly,joshlory/blockly,twodee/blockly,rachel-fenichel/blockly,twodee/blockly,rachel-fenichel/blockly,nickmain/blockly,mark-friedman/blockly,google/blockly,mark-friedman/blockly,mark-friedman/blockly,nickmain/blockly,mark-friedman/blockly,twodee/blockly,mark-friedman/blockly,jstnhuang/blockly,mark-friedman/blockly,rachel-fenichel/blockly,rachel-fenichel/blockly,google/blockly,joshlory/blockly,twodee/blockly