[babel] showing image of latex code results produced from an R code block

[Erik Iverson <eriki@ccbr.umn.edu>]

Hello, consider the following org-mode file:

=================================================

* R returning LaTeX for display

I have an R function that generates LaTeX code.  I would like the 
resulting LaTeX to be displayed in an inline image in the org-buffer


#+begin_src R
lf <- function() {
     "\\LaTeX"
   }

lf()
#+end_src

#+results:
: \LaTeX

I want the above results to actually be just like below, i.e., process 
the results as LaTeX and include an image of the results.  I think 
org-babel can do this sort of thing, it's just escaping me how!

* If I just specify LaTeX as the input language, all works as I hope

#+begin_src latex :file latex-logo.png
   \LaTeX
#+end_src[$]

The LaTeX logo is displayed properly below on my screen with the latest 
inline image functions.

#+results:
[[file:latex-logo.png]]