SLSF_OLD()

  Short:
  ------
 SLSF_OLD() Sets and retrieves the file name and path for the
 OLD() help files

 Returns
 <cFileSpec>  => File path and name less extension

 Syntax
 SLSF_OLD([cNew])

 Description

 [cNew] optionally sets the path and/or filename.

 If [cNew] is passed, this is the value returned as
 well.

 Examples
  USE (SLSF_OLD() )                    // open the file

  SLSF_OLD("c:\hidden\XYZ123")            // sets the filespec
                                          // to XYZ123.DBF in
                                          // c:\HIDDEN

 Source: S_PATHS.PRG