--- rpl/ChangeLog	2015/01/05 14:03:54	1.207
+++ rpl/ChangeLog	2015/03/25 09:46:03	1.220
@@ -1,3 +1,19 @@
+* Mon Feb 19 2015 BERTRAND Joël <rpl@systella.fr> rpl-4.1.21 (RPL/2)
+- 1 -> Y 'Z' now returns undefined implicit name error.
+* Mon Feb 19 2015 BERTRAND Joël <rpl@systella.fr> rpl-4.1.20 (RPL/2)
+- minor bug is fixed in evaluation(). When analyse() is called from
+evaluation(), RPL/2 always evaluates compiled expression;
+- 1 -> X 'X' can be evaluated ('X' is a name and before last patch, only
+algebraic expressions were able to be directly evaluated);
+- major regression introduced in 4.1.19 is fixed in parser.
+<< 1 -> X << exp >> >> returned syntax error;
+- compilation() now returns an error if a definition name contains invalid
+characters instead of BUG();
+- zlib is upgraded;
+- sqlite and openssl are upgraded;
+- new buffercached  allocator is added;
+- giac is upgraded to 1.1.4;
+- Gnuplot is upgraded to 5.0.0.
 * Mon Jan 5 2015 BERTRAND Joël <rpl@systella.fr> rpl-4.1.19 (RPL/2)
 - EQV is added in algebraic input and output subroutines;
 - ncurses and sqlite have been upgraded with last patches;
@@ -6,8 +22,8 @@
 not do anything. Only fonctions to convert algebraic expression to and from
 q-tree have been written and successfuly tested;
 - EQV intrinsic is added;
-- major bug is fixed in XOR intrinsic (rroneous truth table with integer or real
-arguments);
+- major bug is fixed in XOR intrinsic (erroneous truth table with integer
+or real arguments);
 - parser is upgraded. Now, it is possible to write <[[[3]]]> or {{5}} (without
 space) and [[ 3 4 ]]4 catches error;
 - major regression is fixed in recherche_type() (complex type);