REG_ERPAREN       473 lib/regcomp.c    if (ret == REG_ERPAREN)
REG_ERPAREN      2295 lib/regcomp.c  	  *err = REG_ERPAREN;
REG_ERPAREN       843 src/regex-emacs.c    [REG_ERPAREN] = "Unmatched ) or \\)",
REG_ERPAREN      2276 src/regex-emacs.c 		FREE_STACK_RETURN (REG_ERPAREN);
REG_ERPAREN      2282 src/regex-emacs.c 		FREE_STACK_RETURN (REG_ERPAREN);