check_external_aliases

# File lib/rdoc/parsers/parse_f95.rb, line 1330
    def check_external_aliases(subname, params, comment, test=nil)
      @@external_aliases.each{ |alias_item|
        if subname == alias_item["old_name"] ||
                    subname.upcase == alias_item["old_name"].upcase &&
                            @options.ignore_case

          new_meth = initialize_external_method(alias_item["new_name"], 
                                                subname, params, @file_name, 
                                                comment)
          new_meth.visibility = alias_item["visibility"]

          progress "e"
          @stats.num_methods += 1
          alias_item["file_or_module"].add_method(new_meth)

          if !alias_item["file_or_module"].include_requires?(@file_name, @options.ignore_case)
            alias_item["file_or_module"].add_require(Require.new(@file_name, ""))
          end
        end
      }
    end