Preserve line breaks in title using pandoc

Question

Consider the following title block in pandoc-flavored Markdown:

% Higgelty Pigglety Pop!
  or
  There Must Be More to Life
% Maurice Sendak

Answer 1

When using YAML metadata blocks, the following works, too:

---
title: |
    | First line
    | Second line
---

Found the idea in this thread.