--- rpl/ChangeLog	2010/09/23 15:17:26	1.52
+++ rpl/ChangeLog	2011/03/19 13:50:35	1.62
@@ -1,3 +1,31 @@
+* Sun Mar 06 2011 BERTRAND Joël <rpl@systella.fr> rpl-4.0.21 (RPL/2)
+- flag 34 is now used to enable or disable control character evaluation;
+- major bug is fixed in P->R intrinsic function when argument type is
+complex and degree mode is set;
+- L->T and T->L are added;
+- "OLD" filetype is fixed;
+- FLOW socket support is added;
+- FLOW sequential files are added;
+- new escape sequence is added to handle flow files (\x + hexadecimal code).
+Known escape sequences are \", \b, \n, \t, \x?? and \\.
+* Sun Mar 06 2011 BERTRAND Joël <rpl@systella.fr> rpl-4.0.20 (RPL/2)
+- Ncurses is upgraded to 5.8;
+- ALARM is fixed by filling isdst field;
+- catch ECONNRESET in write intrinsic to return an execution error instead of
+system one;
+- fix a typo in HELP intrinsic;
+- Openssl is upgraded to 1.0.0d, sqlite to 3.7.5 and readline to 6.2;
+- Lapack is upgraded to 3.3.0;
+- libmtmalloc is now default Solaris allocator;
+- ncurses is upgraded;
+- regression introduced by 4.0.19 is fixed in signal management.
+Interruption1() could be called from itself and raises bus error (on sparc) or
+segmentation fault;
+- sqlite is upgraded to 3.7.4;
+- OpenSSL is upgraded to 1.0.0c;
+- syntax error is correctly checked ( (2+,0) does not crash RPL/2 anymore);
+- characters are tested in recherche_type() to avoid names like '12+';
+- gnuplot is upgraded to 4.4.2 due to major bugs.
 * Thu Sep 23 2010 BERTRAND Joël <rpl@systella.fr> rpl-4.0.19 (RPL/2)
 - due to a very strange bug I've only seen on Solaris, ptmalloc3 is removed.
 Solaris libresolv randomly uses ptmalloc3 and system allocator and makes heap