That's a very first riddle by Ruzzo!
You find it there.
I arrived to the txt c*********s, but when i convert them, I can't see anything coming..... I don't what to do with the letters. Maybe I have to figure out what are the functions of the a****s and the double d**h. But I don't see....
be careful to talk in the open only about things obvious in the first place; don't spoil others, please, Arwen !