t / chainlint / arithmetic-expansion.expecton commit pretty: add support for separator option in %(trailers) (0b691d8)
   1(
   2        foo &&
   3        bar=$((42 + 1)) &&
   4        baz
   5>) &&
   6(
   7?!AMP?! bar=$((42 + 1))
   8        baz
   9>)