code: public static String formatMacro(String input) {
  
          StringBuffer result = new StringBuffer(input.length() + 4);
          result.append(I_CmsMacroResolver.MACRO_DELIMITER);
          result.append(I_CmsMacroResolver.MACRO_START);
          result.append(input);
          result.append(I_CmsMacroResolver.MACRO_END);
          return result.toString();
      }
docs: Adds macro delimiters to the given input,
  for example <code>key</code> becomes <code>%(key)</code>.<p>
  
  @param input the input to format as a macro
  
  @return the input formatted as a macro