# File lib/rcodetools/doc.rb, line 102
    def find_method_analysis
      here = Dir.pwd
      oldpwd = here
      begin
        while ! have_method_analysis
          Dir.chdir("..")
          if Dir.pwd == here
            return nil          # not found
          end
          here = Dir.pwd
        end
      ensure
        Dir.chdir oldpwd
      end
      yield(File.join(here, METHOD_ANALYSIS))
    end