More work.

diff --git a/doc/zebra.sgml b/doc/zebra.sgml
index 2a748e5..cce51af 100644 (file)
--- a/doc/zebra.sgml
+++ b/doc/zebra.sgml
@@ -1,13 +1,13 @@
 <!doctype linuxdoc system>
 
 <!--
 <!doctype linuxdoc system>
 
 <!--

-  $Id: zebra.sgml,v 1.5 1995-11-28 16:34:43 quinn Exp $
+  $Id: zebra.sgml,v 1.6 1995-11-28 16:41:48 adam Exp $

 -->
 
 <article>
 <title>Zebra Server - Administrators's Guide and Reference
 <author>Index Data, <tt/info@index.ping.dk/
 -->
 
 <article>
 <title>Zebra Server - Administrators's Guide and Reference
 <author>Index Data, <tt/info@index.ping.dk/

-<date>$Revision: 1.5 $
+<date>$Revision: 1.6 $

 <abstract>
 The Zebra information server combines a versatile fielded/free-text
 search engine with a Z39.50-1995 frontend to provide a powerful and flexible
 <abstract>
 The Zebra information server combines a versatile fielded/free-text
 search engine with a Z39.50-1995 frontend to provide a powerful and flexible

@@ -451,6 +451,9 @@ simple.recordType: text
 simple.database: textbase
 </verb></tscreen>
 
 simple.database: textbase
 </verb></tscreen>
 

+Since the existing records in an index can not be addressed by their
+IDs, it is impossible to delete records when using this method.
+

 <sect1>Indexing with File Record IDs
 
 <p>
 <sect1>Indexing with File Record IDs
 
 <p>

@@ -499,6 +502,10 @@ index the group that
 the files should be indexed with file record IDs.
 </em>
 
 the files should be indexed with file record IDs.
 </em>
 

+You cannot explicitly delete records when using this method. Instead
+you have to delete the files from the file system (or remove them)
+and then run <tt>zebraidx</tt> with the <tt>update</tt> again.
+

 <sect1>Indexing with General Record IDs
 <p>
 When using this method you specify an (almost) arbritrary record key
 <sect1>Indexing with General Record IDs
 <p>
 When using this method you specify an (almost) arbritrary record key

@@ -554,6 +561,12 @@ with the <tt>update</tt> command. However, the update with general
 keys is considerably slower than with file record IDs, since all files
 visited must be (re)read to find their IDs. 
 
 keys is considerably slower than with file record IDs, since all files
 visited must be (re)read to find their IDs. 
 

+You may have noticed that when using the general record IDs
+method, you can only add or modify existing records with the <tt>update</tt>
+command. If you wish to delete records, you must use another command,
+<tt>delete</tt>, which a root directory as a parameter. This will remove
+all records that match the files below the root directory.
+

 <sect1>Register location
 
 <p>
 <sect1>Register location
 
 <p>