/SHOW=(option[,...])
     /SHOW=SOURCE (D)

  Used with the /LIST qualifier to set or cancel specific listing
  options.  You can select the following options:

  ALL               Print all listing information.

  [NO]BRIEF         Print a brief symbol table, listing only those
                    identifiers that are referenced in the program.

  [NO]CROSS_REFERENCE
                    Specifies whether the compiler generates
                    cross-references.  If you specify
                    /SHOW=CROSS_REFERENCE, the compiler lists, for
                    each variable referenced in the procedure, the
                    line numbers of the lines on which the variable
                    is referenced.

                    You may use /SHOW=CROSS_REFERENCE with
                    /SHOW=SYMBOLS.  Otherwise, specifying
                    /SHOW=CROSS_REFERENCE also gives you /SHOW=BRIEF.
                    To obtain any type of listing, you must specify
                    /LIST.  /SHOW=CROSS_REFERENCE is the same as
                    specifying /[NO]CROSS_REFERENCE.  (D =
                    NOCROSS_REFERENCE)

  [NO]DICTIONARY    Print/do not print Common Data Dictionary
                    definitions.  (D = NODICTIONARY)

  [NO]EXPANSION     Print/do not print macro expansions.
                    (D = NOEXPANSION)

  [NO]HEADER        Print/do not print header lines at the top of
                    each page.  (D = HEADER)

  [NO]INCLUDE       Print/do not print contents of #include files.
                    (D = NOINCLUDE)

  [NO]MESSAGES      Print/do not print a list of all messages that
                    are in effect at compilation (based on the
                    settings of /STANDARD, /WARNINGS, and #pragma
                    message).  (D = NOMESSAGES)

  NONE              Print no listing information.

  [NO]SOURCE        Print/do not print source file statements.
                    (D = SOURCE)

  [NO]STATISTICS    Print/do not print compiler performance
                    statistics.  (D = NOSTATISTICS)

  [NO]SYMBOLS       Print/do not print symbol table information in
                    the listing file.  (D = NOSYMBOLS)