Add docs of missing GUC to pgtrgm.sgml

be8a7a68 introduced pg_trgm.strict_word_similarity_threshold GUC, but missed
docs for that.  This commit fixes that.

Discussion: https://postgr.es/m/fc907f70-448e-fda3-3aa4-209a59597af0%402ndquadrant.com
Author: Ian Barwick
Reviewed-by: Masahiko Sawada, Michael Paquier
Backpatch-through: 9.6

diff --git a/doc/src/sgml/pgtrgm.sgml b/doc/src/sgml/pgtrgm.sgml
index 44cc1f4c7c57ed43a8cb7eb69f5e7cb5e3d00772..9f9482ef273f1db7dcfc1f650b28f502e19406e4 100644 (file)
--- a/doc/src/sgml/pgtrgm.sgml
+++ b/doc/src/sgml/pgtrgm.sgml
@@ -257,12 +257,29 @@
     
     
      
-      Sets the current word similarity threshold that is used by
+      Sets the current word similarity threshold that is used by the
       <% and %> operators.  The threshold
       must be between 0 and 1 (default is 0.6).
      
     
    
+   
+    
+     pg_trgm.strict_word_similarity_threshold (real)
+     
+      
+       pg_trgm.strict_word_similarity_threshold configuration parameter
+      
+     
+    
+    
+     
+      Sets the current strict word similarity threshold that is used by the
+      <<% and %>> operators.  The threshold
+      must be between 0 and 1 (default is 0.5).
+     
+    
+