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diff --git a/doc/pazpar2_conf.xml b/doc/pazpar2_conf.xml
index f41070c..8aac27a 100644
--- a/doc/pazpar2_conf.xml
+++ b/doc/pazpar2_conf.xml
@@ -1145,7 +1145,7 @@
Allows you to specify an arbitrary PQF query language substring.
- The provided string is prefixed the user's query after it has been
+ The provided string is prefixed to the user's query after it has been
normalized to PQF internally in pazpar2.
This allows you to attach complex 'filters' to queries for a given
target, sometimes necessary to select sub-catalogs
@@ -1168,6 +1168,17 @@
@and @attr 1=30 @attr 2=3 %Y %%
would search for current year combined with the original PQF (%%).
+
+ This setting can also be used as more general alternative to
+ pz:pqf_prefix -- a way of embedding the submitted query
+ anywhere in the string rather than appending it to prefix. For
+ example, if it is desired to omit all records satisfying the
+ query @attr 1=pica.bib 0007 then this
+ subquery can be combined with the submitted query as the second
+ argument of @andnot by using the
+ pz:pqf_strftime value @not %% @attr 1=pica.bib
+ 0007.
+
@@ -1253,7 +1264,9 @@
an existing CCL field, a raw PQF string or a local limit. Leading string
determines type; either ccl: for CCL field,
rpn: for PQF/RPN, or local:
- for filtering in Pazpar2.
+ for filtering in Pazpar2. The local filtering may be followed
+ by a field a metadata field (default is to use the name of the
+ limitmap itself).