X-Git-Url: http://git.indexdata.com/?p=yaz-moved-to-github.git;a=blobdiff_plain;f=README;h=5079588fd2d72b5f2185417e3ecdc2bc27e6c3ba;hp=bc365da4cf46391ac5dfecf49dde6ddc3787a639;hb=d1c517a616a425f6a6966ae1639176248e65e68a;hpb=047c06fdbb9f4f188582b2a6c1f3f22c21333ac2

diff --git a/README b/README
index bc365da..5079588 100644
--- a/README
+++ b/README
@@ -31,9 +31,28 @@ the DANBIB test target, you might use:
 
 client osi:0103/find2.denet.dk:4500
 
-Client supports CCL-queries, with the mapping between qualifiers and
-attribute values specified in the file default.bib in the working
-directory. Use '?' to get a list of the available commands.
+Use '?' to get a list of the available commands.
+
+The current query language is a bit awkward, but functional:
+
+query    ::= ['@attrset' <attribute-set>] rpn
+rpn      ::= complex | simple | attr rpn
+complex  ::= operator rpn rpn
+operator ::= '@and' | '@or' | '@not'.
+simple   ::= term | set.
+term     ::= <word> | '"' <term> ... '"'.
+set      ::= '@set' <setname>.
+attr     ::= '@attr' [<attribute-set>] <number> '=' <number>.
+
+Eg.:
+
+Andersen
+
+"Hans Andersen"
+
+@and @attr 1=1 andersen @attr 1=4 @attr 4=2 duckling
+
+@attrset Bib-1 @and @attr GILS 2=2008 Washington @attr 1=21 weather
 
 The directories:
 
@@ -53,7 +72,7 @@ asn     - This module implements the Z39.50/SR protocol. The best way
 	which defines structure and type definitions for each of the
 	types introduced in the protocol specification.
 
-yazlib  - This module implements the transport transparency
+comstack- This module implements the transport transparency
 	stack (COMSTACK). The comstack implements a generic interface
 	for exchanging BER-encoded records over a network. It supports
 	the 'American' mode of exchanging the records straight over
@@ -82,3 +101,9 @@ makelib - This is a simple utility that gathers the libraries from the
 	previous modules into libyaz.a.
 
 lib     - The libraries. Primarily libyaz.a.
+
+To get more information or assistance, send mail to yaz-help@index.ping.dk.
+
+We maintain a mailing-list for the purpose of announcing new versions of
+the software, bug-reports, discussion etc. You can sign up by sending
+mail to yaz-request@index.ping.dk.