Success! Final stack:
  [(Lean.Doc.Syntax.para
    "para{"
    [(Lean.Doc.Syntax.link
      "["
      [(Lean.Doc.Syntax.text
        (str "\"[link A]\""))]
      "]"
      (Lean.Doc.Syntax.url
       "("
       (str "\"https://example.com\"")
       ")"))
     (Lean.Doc.Syntax.text (str "\" \""))
     (Lean.Doc.Syntax.link
      "["
      [(Lean.Doc.Syntax.text
        (str "\"[link B]\""))]
      "]"
      (Lean.Doc.Syntax.url
       "("
       (str "\"https://more.example.com\"")
       ")"))]
    "}")]
All input consumed.