+ <news class="alpha" date="December 2015.">
+ <rlink to="documentation.html#ldJ3a">Second journal paper on λδ</rlink>
+ accepted for publication.
+ </news>
+
+ <news class="gamma" date="December 2015.">
+ <rlink to="implementation.html#v3">"Helena 0.8.3"</rlink> is released.
+ </news>
+
+ <news class="delta" date="August 2015.">
+ The specification of λδ version 2A1 is concluded.
+ </news>
+
+ <news class="gamma" date="June 2015.">
+ The corrected specification of Landau's "Grundlagen der Analysis"
+ is validated in a λProlog implementation of λδ version 3.
+ </news>
+
+ <news class="delta" date="March 2015.">
+ The specification of λδ version 1 is validated by
+ <link to="http://matita.cs.unibo.it/">Matita 0.99.2</link>.
+ </news>
+