Document s=ag

diff --git a/doc/tools.xml b/doc/tools.xml
index 80a9756..491d6dc 100644 (file)
--- a/doc/tools.xml
+++ b/doc/tools.xml
@@ -679,6 +679,17 @@
           </entry>
          </row>
          
+         <row><entry><literal>s=ag</literal></entry><entry>
+           Tokens that appears as phrases (with blank in them) gets
+           structure phrase attached. Tokens that appers as words
+           gets structure phrase attached. Phrases and words are
+           ANDed. This is a variant of s=al and s=pw, with the main
+           difference that words are not split (with operator AND)
+           but instead kept in one RPN token. This facility appeared
+           in YAZ 4.2.38.
+          </entry>
+         </row>
+
          <row><entry><literal>r=o</literal></entry><entry>
            Allows ranges and the operators greather-than, less-than, ...
            equals.