MakeFileName(n:Str...):Str
Create a file name. Parameters are file name fragments, i.e. directories, until the last fragment which is a file name. This function builds a file name from these, using operating-system dependant rules. For example,
MakeFileName("a", "b", "c.txt")will return "a\b\c.txt" or "a/b/c.txt", depending on the operating system.
Since: PCC 1.1.20, PCC2 1.99.12
