stringifyTerm(c('a', 'b', 'c'))
# "a:b:c"
stringifyTerm(c('a', 'b', 'c'), sep=' * ')
# "a * b * c"
options('jmvTermSep', ' * ')
stringifyTerm(c('a', 'b', 'c'))
# "a * b * c"
#' stringifyTerm(c('`quoted`', 'b', 'c'))
# "quoted * b * c"
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