text text text text text text text text text text text text text text text text text text text text text text text text text text this line will be (**this is the modif**) modified text text text text text text text text text text text text text text text text text text text text text text text text text text the next line will be removed but this one will be kept text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text line inserted insert a line before this one text text text text text text text text text text text text text text text text text text text text text text text text text text modified line - 1 ** modif 1 modified line - 2 ** modif 2 text text text text text text text text text text text text text text text text text text text text text text text text text text this line kept text text text text text text text text text text text text text text text text text text text text text text text text text text inserted line 1 inserted line 2 inserted line 3 insert three lines before this one text text text text text text text text text text text text text new last line