Redmine

      ##################

      # Smile fix #21623 : re-insert removed custom fields with nil value

      # TODO check if custom_field_values has to be fixed to take that in account

      cf_values = journalized.custom_field_values.dup # Dupped because cached in an instance variable

      custom_fields = {} # cached locally

      @custom_values_before_change.each{|i, v|

        cfv = cf_values.detect {|c| c.custom_field_id == i}

        next if cfv # On a not deleted custom field, or already re-added

        cf = custom_fields[i]

        if cf.nil?

          cf = CustomField.find_by_id(i)

        end

        if cf # Custom field has not been deleted in between

          cfv = CustomFieldValue.new

          cfv.custom_field = cf

          cfv.value = nil

          # Re-add it in the list

          cf_values << cfv

        end

      }

      # END -- Smile fix #21623

      #########################

      # Smile fix #21623 : journalized.custom_field_values -> cf_values

      cf_values.each {|c|