RE_SYNTAX_EGREP   249 maint/gnulib/lib/regex.h   RE_SYNTAX_EGREP
RE_SYNTAX_EGREP    60 maint/gnulib/tests/test-dfa-match-aux.c   dfasyntax (dfa, &localeinfo, RE_SYNTAX_EGREP | RE_NO_EMPTY_RANGES, 0);
RE_SYNTAX_EGREP   299 maint/gnulib/tests/test-regex.c   re_set_syntax (RE_SYNTAX_EGREP | RE_HAT_LISTS_NOT_NEWLINE);