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Quoting version of c() array concatinator.
qc(...)
items to place into an array
quoted array of character items
qe, qae
qe
qae
# NOT RUN { qc(a, qc(b, c)) qc(x=a, qc(y=b, z=c)) qc('x'='a', qc('y'='b', 'z'='c')) # }
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