remove_frozen_string_literal

# File lib/rdoc/encoding.rb, line 74
  def self.remove_frozen_string_literal string
    string =~ /\A(?:#!.*\n)?(.*\n)/
    first_line = $1

    if first_line =~ /\A# +frozen[-_]string[-_]literal[=:].+$/
      string.sub! first_line, ''
    end
  end