# Stage-level funcalls: title_case/downcase whole-string ops,
# separate (default separator), compose/decompose (NFC/NFD).
# (`upcase` parses as a directive but crashes the Ruby interpreter —
# Stdlib::Functions has no upcase; not exercised here.)
system "T:rs-funcalls:1" {
stage main {
parallel {
sub "§" " "
}
title_case
downcase
separate
compose
decompose
}
tests {
"§heating" -> " h e a t i n g"
}
}