X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fground_2%2Fweb%2Fground_2.ldw.xml;h=c9e69ed8dffd35d43653db86eb208fc7f230c000;hp=f217a912ff7eef2dad1c0a26ec98970ee45051ef;hb=25c634037771dff0138e5e8e3d4378183ff49b86;hpb=bd53c4e895203eb049e75434f638f26b5a161a2b

diff --git a/matita/matita/contribs/lambdadelta/ground_2/web/ground_2.ldw.xml b/matita/matita/contribs/lambdadelta/ground_2/web/ground_2.ldw.xml
index f217a912f..c9e69ed8d 100644
--- a/matita/matita/contribs/lambdadelta/ground_2/web/ground_2.ldw.xml
+++ b/matita/matita/contribs/lambdadelta/ground_2/web/ground_2.ldw.xml
@@ -13,6 +13,13 @@
          and its timeline.
    </body>
    <table name="ground_2_sum"/>
+
+   <news class="alpha" date="2020 January 6.">
+         Centralized xoa infrastructure removed.
+   </news>
+   <news class="alpha" date="2018 June 6.">
+         Decentralized xoa infrastructure.
+   </news>
    <news class="alpha" date="2016 April 18.">
          Generic rt-transition counter (rtc).
    </news>