NON NOTA PROPOSITO DI FATTI SLIP IN LATEX

I have two sections which I'd like to separate by an empty line. Every time I press Enter, LyX removes that empty line between paragraphs. How do I prevent this?and save the files Per the default encoding for your machine. You cannot use XeLaTeX or LuaLaTeX with such files, however.Qualunque Direzione le quali dovete unire più comandi tra poco a c