Failure @35 (⟨2, 15⟩): unexpected end of input; expected %%% (at line beginning), '![', '$$', '$', '[', '[^', beginning of line at ⟨2, 15⟩ or beginning of line or sequence of nestable block openers at ⟨2, 15⟩
Final stack:
  [(Lean.Doc.Syntax.dl
    "dl{"
    [(Lean.Doc.Syntax.desc
      ":"
      [(Lean.Doc.Syntax.text
        (str "\" an excellent idea\""))
       (Lean.Doc.Syntax.linebreak
        "line!"
        (str "\"\\n\""))
       (Lean.Doc.Syntax.text
        (str "\"Let's say more!\""))]
      "=>"
      [(Lean.Doc.Syntax.metadata_block <missing>)
       <missing>])]
    "}")]
Remaining: ""