return &Plain{s[i : i+n]}, start, i + n, true
}

func parseAutoLinkOrHTML(p *parseState, s string, i int) (Inline, int, int, bool) {
	if x, end, ok := parseAutoLinkURI(s, i); ok {
		return x, i, end, true
	}
	if x, end, ok := parseAutoLinkEmail(s, i); ok {
		return x, i, end, true
	}
	if x, end, ok := parseHTMLTag(p, s, i); ok {
		return x, i, end, true
	}

		}
	}

	dest := s[i:j]
	// TODO: Validate dest?
	// TODO: Unescape?
	// NOTE: CommonMark Dingus does not reject control characters.
	return mdUnescape(dest), j, true
}

func parseAutoLinkURI(s string, i int) (Inline, int, bool) {
	// CommonMark 0.30:
	//
	//	For purposes of this spec, a scheme is any sequence of 2–32 characters
	//	beginning with an ASCII letter and followed by any combination of