Remove tab key handler, fixes #4347
Remove tab key handler, fixes #4347

artefactual/binder,kyfr59/atom-cg35,kyfr59/atom-cg35,kyfr59/atom-cg35,artefactual/binder,artefactual/atom,Surfrdan/atom,artefactual/binder,artefactual/atom,CENDARI/atom,CENDARI/atom,artefactual/atom,artefactual/binder,Surfrdan/atom,CENDARI/atom,Surfrdan/atom