code: public static StringBuffer appendCdataSection(StringBuffer buffer, String cdataContent)
  	{
  		StringBuffer _buffer = initStringBufferIfNecessary(buffer);
  		return doAppendCdataSection(_buffer, cdataContent);
  	}
docs: Add a cdata section to a StringBuffer.
  
  If the buffer is null, a new one is created.
  
  @param buffer
  StringBuffer to fill
  @param cdataContent
  the cdata content
  @return the buffer