code: def to_html(self, codebase):
          
          html = ''
          def build_line(key, include_pred, format_fn):
              val = getattr(self, key)
              if include_pred(val):
                  return '<dt>%s</dt><dd>%s</dd>\n' % (printable(key), format_fn(val))
              else:
                  return ''
          def build_dependency(val):
              return ', '.join('<a href = "%s.html">%s</a>' % (trim_js_ext(name), name)
                               for name in val)
          for key in ('author', 'organization', 'version', 'license'):
              html += build_line(key, lambda val: val, lambda val: val)
          html += build_line('dependencies', lambda val: val, build_dependency)
          html += build_line('all_dependencies', lambda val: len(val) > 1, 
                                                  build_dependency)
          html += codebase.build_see_html(self.see, 'h3')
          
          if html:
              return '<dl class = "module">\n%s\n</dl>\n' % html
          else:
              return ''
docs: Convert this to HTML.