REG_BADBR        2494 lib/regcomp.c  	      *err = REG_BADBR; /* <re>{} is invalid.  */
REG_BADBR        2513 lib/regcomp.c  		*err = REG_BADBR;
REG_BADBR        2531 lib/regcomp.c  	  *err = REG_BADBR;