--- rpl/ChangeLog	2015/09/24 09:44:07	1.234
+++ rpl/ChangeLog	2015/11/26 10:02:07	1.239
@@ -1,4 +1,7 @@
-* Wed Sep 16 2015 BERTRAND Joël <rpl@systella.fr> rpl-4.1.23 (RPL/2)
+* Thu Nov 26 2015 BERTRAND Joël <rpl@systella.fr> rpl-4.1.23 (RPL/2)
+- Giac is upgraded to 1.2.2 and mpfi is added;
+- GSL is upgraded to 2.1;
+- major bug is fixed in interruption (mutexes failure);
 - minor bug is fixed in evaluation():
 << 1 'X' sto { X } 'Y' sto 'Y(1)' eval >> returns 1 and
 << 1 'X' sto { 'X' } 'Y' sto 'Y(1)' eval >> only returns 'X'.