code: protected void loadAttributes()
      {
          try {
              if (!HTMLNorm.getAttribute(el, "span").equals(""))
                  span = Integer.parseInt(HTMLNorm.getAttribute(el, "span"));
              else
                  span = 1;
          } catch (NumberFormatException e) {
              log.warn("Invalid span value: " + HTMLNorm.getAttribute(el, "span"));
          }
          setSpecifiedWidth(HTMLNorm.getAttribute(el, "width"));
      }
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