[plt-scheme] ann: Scheme client for database management system "Sedna"

Hello!

Client API for XML database management system "Sedna" is available from 
PLaneT:
(require (planet "sedna.ss" ("lizorkin" "sedna.plt" 1 2)))

With the API, XML data can be persistently stored in Sedna database and 
queried to retrieve XML or SXML.

Basic code example introduced in "doc.txt":
http://planet.plt-scheme.org/package-source/lizorkin/sedna.plt/1/2/doc.txt

Full API description for Scheme in Sedna programmer's guide:
http://modis.ispras.ru/sedna/progguide/ProgGuidesu3.html

Sedna database management system itself:
http://modis.ispras.ru/sedna/