# File lib/active_support/multibyte/handlers/utf8_handler.rb, line 359 def tidy_bytes(str) str.split(//u).map do |c| if !UTF8_PAT.match(c) n = c.unpack('C')[0] n < 128 ? n.chr : n < 160 ? [UCD.cp1252[n] || n].pack('U') : n < 192 ? "\xC2" + n.chr : "\xC3" + (n-64).chr else c end end.join end