REG_BADBR        2503 compat/regex/regcomp.c 	      *err = REG_BADBR; /* <re>{} is invalid.  */
REG_BADBR        2522 compat/regex/regcomp.c 		*err = REG_BADBR;
REG_BADBR        2539 compat/regex/regcomp.c 	  *err = REG_BADBR;