public void prepend(CharSequence s){
  StringBuffer newText=new StringBuffer();
  newText.append(s);
  newText.append(text);
  text=newText;
}

public void prepend ( CharSequence s ) { StringBuffer newText = new StringBuffer ( ) ; newText . append ( s ) ; newText . append ( text ) ; text = newText ; }
add a string to the start of the first line of the buffer .
