Failure @21 (⟨3, 0⟩): expected indentation at least 1
Final stack:
  [(Lean.Doc.Syntax.dl
    "dl{"
    [(Lean.Doc.Syntax.desc
      ":"
      [(Lean.Doc.Syntax.text
        (str "\" an excellent idea\""))]
      "=>"
      <missing>)]
    "}")
   (Lean.Doc.Syntax.para
    "para{"
    [(Lean.Doc.Syntax.text
      (str "\"Let's say more!\""))]
    "}")
   (Lean.Doc.Syntax.para
    "para{"
    [(Lean.Doc.Syntax.text (str "\"hello\""))]
    "}")]
Remaining: "Let's say more!\n\nhello"