This file records noteworthy changes.
-1.0.13 (<date>)
+1.0.13 (22 January 2003)
* 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()
LaTeX output.
* Added symbolic_matrix() for the convenient creation of matrices filled
with symbols.
+* Added collect_common_factors() which collects common factors from the
+ terms of sums.
+* simplify_indexed() converts "gamma~mu*p.mu" to "p\".
1.0.12 (30 October 2002)
* Fixed a bug in power::expand() that could produce invalid expressions.