code: protected void init()
      {
          // "support for SSL"
          String handlerPkgs = System.getProperty("java.protocol.handler.pkgs");
          if ((handlerPkgs != null) && !(handlerPkgs.isEmpty())) {
              handlerPkgs = handlerPkgs + "|com.sun.net.ssl.internal.www.protocol";
          } else {
          	handlerPkgs = "com.sun.net.ssl.internal.www.protocol";
          }
          System.setProperty("java.protocol.handler.pkgs", handlerPkgs);
  
          java.security.Security
                  .addProvider(new com.sun.net.ssl.internal.ssl.Provider());
  
          // Create custom EditorKit if needed
          if (swingBoxEditorKit == null) {
              swingBoxEditorKit = new SwingBoxEditorKit();
          }
  
          setEditable(false);
          setContentType("text/html");
  
          activateTooltip(true);
  
          Caret caret = getCaret();
          if (caret instanceof DefaultCaret)
          	((DefaultCaret) caret).setUpdatePolicy(DefaultCaret.NEVER_UPDATE);
      }
docs: Initial settings