gistfile1.builder

# longer and harder to read, with redundant lines

facet_values_after = []
facet_values.each do | facet_value |
  facet_value = facet_value.gsub(/\_/, '\-')
  facet_values_after << facet_value.gsub(/"/, '\"')
end
return facet_values_after

# can be turned into

facet_values.collect do |value|
  # escape special values
  value.gsub(/\_/, '\-').gsub(/"/, '\"')
end