R devel - Aug 2018 - substitute() on arguments in ellipsis ("dot dot dot")?

A potential solution, at least in terms of producing the desired output, is the
base R function alist:
> alist(1+2, "a", rnorm(3))
[[1]]
1 + 2

[[2]]
[1] "a"

[[3]]
rnorm(3)
> str(alist(1+2, "a", rnorm(3)))
List of 3
?$ : language 1 + 2
?$ : chr "a"
?$ : language rnorm(3)


luke

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