Merge with master. Kept new solr test results

[pazpar2-moved-to-github.git] / NEWS

diff --git a/NEWS b/NEWS
index 0611b78..34435c6 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -1,12 +1,22 @@
+--- 1.6.22 2012/10/05
+
+Requires YAZ-4.2.40 to support native solr support. 
+
+Fix logic handling whether or not to re-do search. A new sort order 
+whould not trigger a new search, which is required for targets with
+native sorting capabilities.
+
+--- 1.6.21 2012/09/24
 
 Rank tweak: follow=number will increase mult by number if two terms
 occur next to each other; number-1 if they are one term apart , .. 0
 if they are number a part (all in order). Default is 0 (following
 terms has no effect).
 
-Rank tweak: lead=number will increase mult by number if term is first
-term in field, number-1 if second, ... 0 if term is at offset
-number of more. Default value is 0 (position irrelevant).
+Rank tweak: lead=k will divide mult by 1 + log2(1+k*l) where k is
+value given by lead and l is length from beginning of field where
+term occurs (l=0 for first term, l=1 for second term, ..). Default
+value of k is 0.0.
 
 Rank tweak: length=strategy. length="linear" if mult is to be divided
 by length (existing, default behavior), length="log" if mult is to be 
@@ -15,7 +25,7 @@ by length.
 
 --- 1.6.20 2012/09/21
 
-Rank algorithm details may be printed as part of show reseponse in
+Rank algorithm details may be printed as part of show response in
 element <relevance_info>.. This is only printed if <rank debug="yes"/>
 is used in service.