Add methods for doing stuff in text editor
Add methods for doing stuff in text editor

Used by the mentions extension

renyuneyun/core,Albert221/core,zaksoup/core,falconchen/core,Onyx47/core,renyuneyun/core,falconchen/core,malayladu/core,kidaa/core,kidaa/core,flarum/core,vuthaihoc/core,Onyx47/core,Albert221/core,vuthaihoc/core,Albert221/core,flarum/core,datitisev/core,liukaijv/core,malayladu/core,Albert221/core,dungphanxuan/core,kirkbushell/core,falconchen/core,dungphanxuan/core,renyuneyun/core,kidaa/core,Luceos/core,huytd/core,vuthaihoc/core,billmn/core,zaksoup/core,billmn/core,utkarshx/core,Luceos/core,kirkbushell/core,Luceos/core,datitisev/core,malayladu/core,liukaijv/core,Luceos/core,jubianchi/core,billmn/core,flarum/core,kirkbushell/core,jubianchi/core,utkarshx/core,datitisev/core,huytd/core,kirkbushell/core,zaksoup/core,Onyx47/core,datitisev/core,malayladu/core,renyuneyun/core,dungphanxuan/core