code: public void setHspace(String hspace) {
          _imageState.registerAttribute(AbstractHtmlState.ATTR_GENERAL, HtmlConstants.HSPACE, hspace);
      }
docs: Sets the the horizontal spacing attribute for the HTML image tag.
  
  @param hspace the horizontal spacing.
  @jsptagref.attributedescription The horizontal spacing for the HTML image tag.
  @jsptagref.attributesyntaxvalue <i>integer_hspace</i>
  @netui:attribute required="false" rtexprvalue="true"
  description="The horizontal spacing for the HTML image tag."