In case anyone is wondering about the current status:
I think everything is working fine now in the development version of
rgl, making use of a patched version of knitr. The alt text is taken
from fig.alt or fig.cap if that's missing. In Shiny, the alt text can
be changed as the state of the
Thanks to each of you. Looks like we have a simple solution by just checking
remaining, as suggested. I appreciate pointing out that it was a runtime error,
so it definitely occurred and was not just a theoretical concern.
Thanks,
Chris
From: Hugh Parsonage
Sent