Update prosemirror-markdown add const schema,defaultMarkdownParser (#50601)
Update prosemirror-markdown add const schema,defaultMarkdownParser (#50601)


georgemarshall/DefinitelyTyped,georgemarshall/DefinitelyTyped,georgemarshall/DefinitelyTyped,georgemarshall/DefinitelyTyped,markogresak/DefinitelyTyped