-readable. IF ALL is a number, fetch this number of articles. If the
-optional argument NO-ARTICLE is non-nil, no article will be
-auto-selected upon group entry. If GROUP is non-nil, fetch that
-group.
+readable.
+
+If ALL is a positive number, fetch this number of the latest
+articles in the group. If ALL is a negative number, fetch this
+number of the earliest articles in the group.
+
+If the optional argument NO-ARTICLE is non-nil, no article will
+be auto-selected upon group entry. If GROUP is non-nil, fetch
+that group.