- unseen = context_find(usequence);
- if (unseen == NULL || unseen[0] == '\0') {
- adios(NULL, "must specify sequences or set %s", usequence);
+ if ((unseen = context_find(usequence))) {
+ if (!*unseen) {
+ adios(NULL, "profile entry %s set, but empty, and no sequences given", usequence);
+ }
+ } else {
+ unseen = seq_unseen; /* use default */