added documentation for spinidx, spinor_metric() and noncommutative stuff

[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).
+* Semantics of arithmetic operators now follows the C++ rules more strictly.
 
 0.8.2 (24 April 2001)
 * degree(), ldegree(), coeff(), lcoeff(), tcoeff() and collect() work with