dirac_trace() now takes three arguments

[ginac.git] / NEWS

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 This file records noteworthy changes.
 
-0.8.3 (<date>)
+0.8.3 (10 May 2001)
+* color and clifford classes are functional and documented.
+* New "spinidx" class for dotted/undotted indices.
+* Predefined spinor metric tensor (created by spinor_metric()).
 * Symbols can have a LaTeX name, e.g. symbol s("s", "\\sigma");
 * LaTeX output of indexed objects is much nicer.
 * Fix some build-problems (with recent libreadline).