Returns the truename of a pathname.
A pathname designator.
A fully-specified physical pathname.
behaves as specified in ANSI Common Lisp. The returned value is a fully-specified pathname.
Truenames are always fully-specified in LispWorks (this prevents them from ever being corrupted by
). Note that this means that the paths returned by directory are always fully specified.
LispWorks User Guide and Reference Manual - 21 Dec 2011