--- a/src/doc/user/usermanual.sgml
+++ b/src/doc/user/usermanual.sgml
@@ -569,9 +569,9 @@
<sect2 id="rcl.indexing.config.gui">
- <title>The indexing configuration GUI</title>
-
- <para>Most parameters for a given indexing configuration can
+ <title>The index configuration GUI</title>
+
+ <para>Most parameters for a given index configuration can
be set from a <command>recoll</command> GUI running on this
configuration (either as default, or by setting
<envar>RECOLL_CONFDIR</envar> or the <option>-c</option>
@@ -4219,6 +4219,24 @@
</listitem>
</varlistentry>
+ <varlistentry><term><varname>maxTermExpand</varname></term>
+ <listitem><para>Maximum expansion count for a single term (e.g.:
+ when using wildcards). The default of 10000 is reasonable and
+ will avoid queries that appear frozen while the engine is
+ walking the term list.</para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry><term><varname>maxXapianClauses</varname></term>
+ <listitem><para>Maximum number of elementary clauses we can add
+ to a single Xapian query. In some cases, the result of term
+ expansion can be multiplicative, and we want to avoid using
+ excessive memory. The default of 100 000 should be both
+ high enough in most cases and compatible with current
+ typical hardware configurations.</para>
+ </listitem>
+ </varlistentry>
+
<varlistentry><term><varname>nonumbers</varname></term>
<listitem><para>If this set to true, no terms will be generated
for numbers. For example "123", "1.5e6", 192.168.1.4, would not