    # File lib/yard/server/router.rb, line 77
          def parse_library_from_path(paths)
            return [adapter.libraries.values.first.first, paths] if adapter.options[:single_library]
            library, paths = nil, paths.dup
            if libs = adapter.libraries[paths.first]
              paths.shift
              if library = libs.find {|l| l.version == paths.first }
                request.version_supplied = true if request
                paths.shift
              else # use the last lib in the list
                request.version_supplied = false if request
                library = libs.last
              end
            end
            [library, paths]
          end