** colnames with call lines
   :PROPERTIES:
   :DATE:     2011-03-29
   :END:
#+TBLNAME: data
| x | parameter | value |
|---+-----------+-------|
| 0 | heat      |    30 |
| 1 | heat      |    30 |

#+name: func5
#+begin_src R :var name=data :var a="one" :colnames yes
  names(name)
#+end_src

#+name: func5
| x         |
|-----------|
| x         |
| parameter |
| value     |

#+call: func5(name=data, a="two") :colnames yes

#+name: func5(name=data, a="two")
| x         |
|-----------|
| x         |
| parameter |
| value     |