COMMENT  Executable files are top part of list (Preceded by !X? "label").
COMMENT    Example: !XA might be C:\UT\TED.COM
COMMENT  Second part of file, first 3 characters reserved for file
COMMENT  extensions such as TXT, DOC, GIF, RIP etc.  The extensions are
COMMENT  Followed on the line by "label" of above executable(s).
COMMENT  If !XA is TED.COM  then TXT files could be loaded into TED.COM
COMMENT  and if !XB is EXAMPLE2.EXE into EXAMPLE2.EXE whatever that might be.
COMMENT  LIMITS:  UP to 35 Executables can be listed (!XA to !XZ and !X1
COMMENT         to !X9).  18 file extensions can be listed and each extension 
COMMENT         can have 1 to 8 "labels" associating the !!EXT with !X? labels. 
COMMENT         These "limits" are expansive enough to allow much versatility.

Note above comments removed from XL.CFG.  Keep this in ZIP archive and remove
the comments from your real C:\XL.CFG after you are familiar enough with
configuring XL via XL.CFG that you don't need these comments in XL.CFG.