NST_MARK2        2794 mbstring/oniguruma/regcomp.c       SET_EFFECT_STATUS(node, NST_MARK2);
NST_MARK2        2796 mbstring/oniguruma/regcomp.c       CLEAR_EFFECT_STATUS(node, NST_MARK2);
NST_MARK2        2906 mbstring/oniguruma/regcomp.c       SET_EFFECT_STATUS(node, NST_MARK2);
NST_MARK2        2908 mbstring/oniguruma/regcomp.c       CLEAR_EFFECT_STATUS(node, NST_MARK2);
NST_MARK2         160 mbstring/oniguruma/regparse.h #define IS_EFFECT_MARK2(en)            (((en)->state & NST_MARK2)         != 0)