GiNaC/ginac color.cpp coloridx.cpp coloridx.h idx.cpp idx.h lorentzidx.cpp lorentzidx.h lortensor.cpp simp_lor.cpp

[Christian Bauer]

Update of /home/cvs/GiNaC/ginac

Modified Files:
	color.cpp coloridx.cpp coloridx.h idx.cpp idx.h lorentzidx.cpp 
	lorentzidx.h lortensor.cpp simp_lor.cpp 
Log Message:
- added documentation for the idx, coloridx and lorentzidx classes
- idx_intersect() works correctly when indices appear multiple times
- g~mu_mu = D-2 (instead of D-dim(P))