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Pull Request
Problem
The inline documentation for
.option()
dates back to early days when it was used to generate the online documentation. It was quite lengthy covering the flags but not much else. In particular the custom argument parsing was named simplyfn
and easily missed.Related: #1909 #1953
Solution
Rename
fn
toparseArg
for better clue! Shorten the examples, and call-out to the README and other related functions.