Wire up shift-delete to fire a cut event on Gecko
Wire up shift-delete to fire a cut event on Gecko

Issue #6061

nightwing/CodeMirror,wingify/CodeMirror,dperetti/CodeMirror,codio/CodeMirror,pabloferz/CodeMirror,nightwing/CodeMirror,hackmdio/CodeMirror,codio/CodeMirror,wingify/CodeMirror,pabloferz/CodeMirror,dperetti/CodeMirror,nightwing/CodeMirror,hackmdio/CodeMirror,codio/CodeMirror,wingify/CodeMirror,dperetti/CodeMirror,hackmdio/CodeMirror,pabloferz/CodeMirror