RE: R code blocks in org version 9.5

[Cook, Malcolm]

> My R code blocks work fine in org 9.5. When I plot graph using base graphics 
> in session, it works fine. The problem is with lattice graphs. With below 
> header variables, code block works fine.
> 
> #+begin_src R :session *R* :results graphics file :file test.png
> library(lattice)
> print(histogram(rnorm(10000)))
> #+end_src
> 
> But this does not work. Emacs hangs.
> 
> #+begin_src R :session *R* :results output graphics file :file test.png
> library(lattice)
> histogram(rnorm(10000))
> #+end_src

In my hands, all combinations work with/without the `output` and with/without 
the `print`.

IMO, you should not want to include the print. 

Here is my environment:

Org mode version 9.5.2 (release_9.5.2-9-g7ba24c)

GNU Emacs 29.0.50 (build 1, x86_64-pc-linux-gnu, X toolkit, cairo
 version 1.15.12, Xaw3d scroll bars) of 2022-01-19

ESS version 18.10.3snapshot

R
sessionInfo()
R version 4.2.0 (2022-04-22)
Platform: x86_64-pc-linux-gnu (64-bit)
Running under: CentOS Linux 7 (Core)

Matrix products: default
BLAS:   /n/apps/CentOS7/install/r-4.2.0/lib64/R/lib/libRblas.so
LAPACK: /n/apps/CentOS7/install/r-4.2.0/lib64/R/lib/libRlapack.so

locale:
[1] C

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base     

other attached packages:
[1] lattice_0.20-45

loaded via a namespace (and not attached):
[1] compiler_4.2.0 grid_4.2.0