documentation update

diff --git a/NEWS b/NEWS
index afeb47f8a614d320d692ba9d59cce8f95e8f57ca..cec53b68beb0461861d292b05dad33692f26dc77 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -3,6 +3,9 @@ This file records noteworthy changes.
 1.0.13 (<date>)
 * Contracting epsilon tensors with Euclidean indices now works.
 * Improved dummy index symmetrization in sums.
 1.0.13 (<date>)
 * Contracting epsilon tensors with Euclidean indices now works.
 * Improved dummy index symmetrization in sums.

+* Added dirac_gammaL/R(), which can be used instead of dirac_gamma6/7()
+  but are single objects, to allow for a more compact notation of Dirac
+  strings.

 
 1.0.12 (30 October 2002)
 * Fixed a bug in power::expand() that could produce invalid expressions.
 
 1.0.12 (30 October 2002)
 * Fixed a bug in power::expand() that could produce invalid expressions.