+ <news class="alpha" date="December 2015.">
+ <rlink to="html/documentation.html#ldJ3a">Second journal paper on λδ</rlink>
+ accepted for publication.
+ </news>
+
+ <news class="gamma" date="December 2015.">
+ <rlink to="html/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>
+
+ <news class="gamma" date="February 2015.">
+ <rlink to="html/implementation.html#v2">"Helena 0.8.2"</rlink> is updated.
+ <list><item>
+ The translated specification of Landau's "Grundlagen der Analysis"
+ is validated in CC by <link to="http://coq.inria.fr/">Coq 8.4.3</link>.
+ </item></list>
+ </news>
+
+ <news class="delta" date="January 2015.">
+ The specification of <rlink to="html/specification.html#v1">λδ version 1</rlink>
+ is updated with backports from the abandoned specification of λδ version 2.
+ </news>
+
+ <news class="gamma" date="December 2014.">
+ <rlink to="html/implementation.html#v2">"Helena 0.8.2"</rlink> is released.
+ <list><item>
+ The corrected specification of Landau's "Grundlagen der Analysis"
+ is validated in λδ version 3.
+ </item></list>
+ </news>
+
+ <news class="gamma" date="October 2014.">
+ <rlink to="html/documentation.html#ldJ2a">λδ version 2A1</rlink>
+ is released.
+ </news>
+
+ <news class="beta" date="July 2014.">