message: Allow empty front matter
  Fixes
diff: @@ -9,7 +9,13 @@ export function parseFrontmatter(content) {
  const end = content.indexOf("---", 3);
  if (end !== -1) {
  - const data = parse(content.slice(3, end));
  + let data = parse(content.slice(3, end));
  +
  + // Allow empty front matter
  + if (typeof data === "undefined") {
  + data = {};
  + }
  +
  data.content = content.slice(end + 3);
  if (data.content[0] === "\r") {
  