code: public static AbstractHtml findOneTagByAttributeName(
              final String attributeName, final AbstractHtml... fromTags)
              throws NullValueException {
          return findOneTagByAttributeName(false, attributeName, fromTags);
      }
docs: Finds and returns the first (including the nested tags) matching with the
  given attribute name.
  
  @param attributeName
  the name of the attribute.
  @param fromTags
  from which the findings to be done.
  @return the first matching tag with the given attribute name and value.
  @throws NullValueException
  if the {@code attributeName} or
  {@code fromTags} is null
  @since 2.1.8
  @author WFF