ONIG_SYN_OP_ESC_S_WHITE_SPACE  819 regint.h           ONIG_SYN_OP_ESC_S_WHITE_SPACE | ONIG_SYN_OP_ESC_D_DIGIT | \
ONIG_SYN_OP_ESC_S_WHITE_SPACE 3518 regparse.c           if (! IS_SYNTAX_OP(syn, ONIG_SYN_OP_ESC_S_WHITE_SPACE)) break;
ONIG_SYN_OP_ESC_S_WHITE_SPACE 3525 regparse.c           if (! IS_SYNTAX_OP(syn, ONIG_SYN_OP_ESC_S_WHITE_SPACE)) break;