From: Christian Bauer <Christian.Bauer@uni-mainz.de>
Date: Thu, 5 Aug 2004 21:39:06 +0000 (+0000)
Subject: documentation update
X-Git-Tag: release_1-2-3~8
X-Git-Url: https://ginac.de/ginac.git/static/gitweb.css/ginac.git?a=commitdiff_plain;ds=sidebyside;h=100138525d91b35a933bdc891338828980895648;p=ginac.git

documentation update
---

diff --git a/NEWS b/NEWS
index 69fe343e..c882f787 100644
--- a/NEWS
+++ b/NEWS
@@ -1,5 +1,11 @@
 This file records noteworthy changes.
 
+1.2.3 (<date>)
+* Added variants of dirac_trace() and color_trace() that take the trace over
+  more than one representation label by specifying a set or list of labels.
+* diracgamma::contract_with() uses Chisholm identities in 4 dimensions to
+  produce more compact results.
+
 1.2.2 (3 August 2004)
 * Added const_preorder_iterator and const_postorder_iterator classes (and
   associated methods ex::pre/postorder_begin/end()) providing tree traversal