public LinkedList<Diff> diff_main(String text1,String text2){
  return diff_main(text1,text2,true);
}

public LinkedList < Diff > diff_main ( String text1 , String text2 ) { return diff_main ( text1 , text2 , true ) ; }
find the differences between two texts . run a faster , slightly less optimal diff . this method allows the ' checklines ' of diff_main ( ) to be optional . most of the time checklines is wanted , so default to true .
