use Delta.invert
use Delta.invert

casetext/quill,quilljs/quill,anovi/quill,dahal/quill,smartsocialmedia/quill,JoshBarr/quill,gutenye/quill,praneybehl/quill,sferoze/quilljs,hampsterx/quill,tim-mc/quill,willrowe/quill,Asana/quill-1,voxmedia/quill,jayzawrotny/quill,quilljs/quill,quilljs/quill,kmoe/quill,psiemens/quill,syungkeaw/quill,casetext/quill,sferoze/quilljs,sferoze/quilljs,fraywing/quill,voxmedia/quill,fraywing/quill,milqfm/quill,tim-mc/quill,voxmedia/quill,KentZheng/gitFlowTIA,KentZheng/gitFlowTIA,kmoe/quill,DemocracyOS/quill,KentZheng/gitFlowTIB,studio666/quill,KentZheng/testingflow,smartsocialmedia/quill,Benibur/quill,sferoze/quilljs,willrowe/quill,mobitroll/kahoot-quill,mobitroll/kahoot-quill,milqfm/quill,KentZheng/gitFlowTIB,willrowe/quill,jziggas/quill,eXcomm/quill,KentZheng/testingflow,jcppman/quill,Asana/quill-1,DemocracyOS/quill,psiemens/quill