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Changes between Initial Version and Version 1 of Ticket #20973, comment 20

initial	v1
14	14	}}}
15	15	There is now a `CartanType_standard` class in `cartan_type.py` but, to be honest, it does not save a great deal. I played round a little to try and rationalise the code but everything seems very tangled because small changes in one place cause errors elsewhere. I think that if the code is to the cleaned up then it needs to be done by some one who is more familiar with it and its' applications in sage.
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	17	The code works with 7.3.beta7 but it will almost certainly not merge on the next release on the develop branch given trac:18555.