code: @Nonnull
    public final HCSWFObject addObjectAttr (@Nonnull final String sName, final String sValue)
    {
      if (!JSMarshaller.isJSIdentifier (sName))
        throw new IllegalArgumentException ("The name '" + sName + "' is not a legal JS identifier!");
  
      if (m_aObjectAttrs == null)
        m_aObjectAttrs = new CommonsLinkedHashMap <> ();
      m_aObjectAttrs.put (sName, sValue);
      return this;
    }
docs: Add an attribute to the created <code>object</code> tag
  
  @param sName
  Attribute name
  @param sValue
  Attribute value
  @return this