# File lib/rack/utils.rb, line 57 57: def parse_nested_query(qs, d = nil) 58: params = {} 59: 60: (qs || '').split(d ? /[#{d}] */n : DEFAULT_SEP).each do |p| 61: k, v = unescape(p).split('=', 2) 62: normalize_params(params, k, v) 63: end