R""" block giving "syntax: incomplete: invalid string syntax"

[kool7d]

R" [code] " works fine, but R""" code blocks do not.
For example:
R"""
modes <- nma(read.all(pdbs))
"""
gives me a string syntax error

[palday]

I can't reproduce this on the current release, so I'm going to treat this as stale. If you have an MWE on a recent release (preferably an MWE without needing external data/packages), then please feel free to re-open