Zebra TODO
$Id: TODO,v 1.10 2000-12-05 10:01:44 adam Exp $

Explain category Attributedetails should include name/description
of search- attrribute.

String indexing/search (possibly including XPATH-like queres)

Null-value search.

Handle XML empty node constructs <tag/>

Browse set.

Multiple register areas.

Hit Vector for each term in query in search-response PDU.

Prefix configuration for externally stored records.

Size of sort entries should be configurable.

Use first field in sorting, i.e. author.

System number sorting.

Configurable default sorting criteria - used when query is not ranked.

Configurable default search attributes.

Better ranking in searches. Admin should be able specify initial
 weight to certain fields.

ISAMC optimization: indirect block with pointers to all blocks
 in chain. The initial block should include the count as well.

Create surrogate diagnostic when ONE record is missing insead of a
non-surrogate diagnostic.