Success! Final stack:
  (Lean.Doc.Syntax.ul
   "ul{"
   [(Lean.Doc.Syntax.li
     "*"
     [(Lean.Doc.Syntax.para
       "para{"
       [(Lean.Doc.Syntax.text
         (str "\"Here's a bullet\""))]
       "}")])
    (Lean.Doc.Syntax.li
     "*"
     [(Lean.Doc.Syntax.para
       "para{"
       [(Lean.Doc.Syntax.text
         (str
          "\"and another with some code in it\""))]
       "}")
      (Lean.Doc.Syntax.codeblock
       "````"
       [`lean []]
       "\n"
       (str "\"hey\\n\\nthere\\n\"")
       "````")])
    (Lean.Doc.Syntax.li
     "*"
     [(Lean.Doc.Syntax.para
       "para{"
       [(Lean.Doc.Syntax.text
         (str "\"and another one\""))
        (Lean.Doc.Syntax.linebreak
         "line!"
         (str "\"\\n\""))]
       "}")])]
   "}")
All input consumed.