Fix text input
Fix text input

Closes #78

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