+ rpn = ccl_find_str (bibset, buf, &error, &pos);
+ if (error)
+ {
+ printf ("%*s^ - ", 6+pos, " ");
+ printf ("%s\n", ccl_err_msg (error));
+ }
+ else
+ {
+ assert (rpn);
+ if (i == 0)
+ {
+ ccl_pr_tree (rpn, stdout);
+ putchar ('\n');
+ }
+ }
+ if (rpn)
+ ccl_rpn_delete(rpn);