** tangling with full comments
   :PROPERTIES:
   :comments: org
   :tangle:   full-comments.el
   :DATE:     2010-09-04
   :END:
The top block
#+begin_src emacs-lisp
  (message "first block")
#+end_src

here's some text which won't be tangled

*** subheading
    :PROPERTIES:
    :DATE:     2010-09-04
    :END:
another block
| 1 | first  |
| 2 | second |
#+begin_src emacs-lisp
  (message "second")
#+end_src

and finally a block with a =:noweb= header argument
#+begin_src emacs-lisp :noweb yes
  (progn
    <<tangle-el-the-second>>)
#+end_src