[O] Recent bug in R source blocks generating images

[William Denton]

This is

#+BEGIN_SRC R :session :results graphics :file example.png :width 800 :height 
400
library(ggplot2)
ggplot(mpg, aes(class)) + geom_bar()
#+END_SRC


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William Denton ↔  Toronto, Canada ↔  https://www.miskatonic.org/