### hierarchy names where every newsgroup and hierarchy appears only once:
### de.alt.test,de.alt.admin -> de.ALL, de.alt.ALL, de.alt.test, de.alt.admin
### IN : $Newsgroups : a list of newsgroups (content of Newsgroups: header)
### hierarchy names where every newsgroup and hierarchy appears only once:
### de.alt.test,de.alt.admin -> de.ALL, de.alt.ALL, de.alt.test, de.alt.admin
### IN : $Newsgroups : a list of newsgroups (content of Newsgroups: header)