Remove destructive node changes in model/slice
Remove destructive node changes in model/slice

adrianheine/prosemirror,salzhrani/prosemirror,adrianheine/prosemirror,bengler/prosemirror,jacwright/prosemirror,kiejo/prosemirror,bengler/prosemirror,salzhrani/prosemirror,adrianheine/prosemirror,tgecho/prosemirror,mattberkowitz/prosemirror,jacwright/prosemirror,tzuhsiulin/prosemirror,tecnogram888/prosemirror,tzuhsiulin/prosemirror,jarrodh/prosemirror,salzhrani/prosemirror,kiejo/prosemirror,jarrodh/prosemirror,tecnogram888/prosemirror,tzuhsiulin/prosemirror,mattberkowitz/prosemirror,ProseMirror/prosemirror-markdown,tgecho/prosemirror,kiejo/prosemirror