226     else ON_EMPTY;
230     else ON_EMPTY;
367 #define ON_EMPTY XSRETURN_NO  macro
370 #undef ON_EMPTY
381 #define ON_EMPTY XSRETURN_YES  macro
384 #undef ON_EMPTY
396 #define ON_EMPTY XSRETURN_YES  macro
399 #undef ON_EMPTY
410 #define ON_EMPTY XSRETURN_NO  macro
413 #undef ON_EMPTY
425 #define ON_EMPTY XSRETURN_NO  macro
430 #undef ON_EMPTY
441 #define ON_EMPTY XSRETURN_UNDEF  macro
444 #undef ON_EMPTY
455 #define ON_EMPTY XSRETURN_UNDEF  macro
458 #undef ON_EMPTY
470 #define ON_EMPTY XSRETURN_UNDEF  macro
473 #undef ON_EMPTY
484 #define ON_EMPTY XSRETURN_UNDEF  macro
487 #undef ON_EMPTY
499 #define ON_EMPTY XSRETURN_UNDEF  macro
504 #undef ON_EMPTY