text: /*	if system V #define SYS_V should be after #undef */
  #define SYS_V
  #undef SYS_V
  /*	if system BSD #define BSD should be after #undef */
  #define BSD
  #undef BSD
  /*	if vax bit/byte order #define VAX should be after #undef */
  #define VAX
  #undef VAX
  /*	if ibm bit/byte order #define AHMDAL should be after #undef mips is ibm order*/
  #undef AHMDAL
  #define AHMDAL
  
  /*	if sun bit/byte order #define SUN should be after #undef */
  /*	for the terminal version also define XWINDOWS below*/
  #define SUN
  #undef SUN
  
  /*	if compiling on 386 define I386 to avoid compiler bugs */
  /*	this is only for the mainframe version */
  /*	bit/byte order must also be defined - define VAX above*/
  #define I386
  #undef I386
  /*	defined for plan9 - mainframe with mouse code*/
  #undef Plan9
  #define Plan9
  /*	if compiling mainframe version at fax 200 dpi resolution #define after #undef*/
  /*		if SINGLE not defined, multipage fax mhs format g31 output */
  /*		if SINGLE is defined, single page g31 output(see below)*/
  #define FAX
  #undef FAX
  /*	HIRES for 300dpi version and fax g4 output single page */
  #define HIRES
  #undef HIRES
  
  #ifdef HIRES
  #define SINGLE
  #undef Plan9
  #else
  #undef SINGLE
  #endif
  /*		DON'T TOUCH undef's BELOW	*/
  #ifdef makefonts
  #undef XWINDOWS
  #undef FAX
  #undef HIRES
  #undef Plan9
  #endif
  