[io grant] Clarify value of IO::Path.path

Author: zoffixznet

doc/Type/IO/Path.pod6

@@ -101,7 +101,11 @@ values the return values of the methods with the same names.
 
     method path(IO::Path:D: --> Str)
 
-Returns the full path as a string.
+Returns the string the object was constructed from or the value of
+C<$SPEC.join($volume,$dirname,$basename)> if multi-part version of C<.new>
+was used. B<NOTE:> this does not include the C<$.CWD>; see
+L«C<.absolute>|/routine/absolute» and L«C<.relative>|/routine/relative» for
+stringification options that include C<$.CWD>.
 
 =head2 method Str