@PeOfEoOct 03.2003 — #You can use it for an ftp folder or something where the directorys are user specific, but do not do it unless you are using a set username to access the directory.
@PeOfEoOct 03.2003 — #You can use it but those are reserved for password protect directorys and such. If you used it, it could potentially cause problems. There are certain characters that you just cannot use in directory paths or url's or you can only use them on certain occasians.