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Changes between Initial Version and Version 1 of Ticket #9870, comment 22

initial	v1
1	1	Doc updated in r10585.
2	2
3		No, separating them is good, it makes it immediately obvious we have two kind of descriptors. I was myself not fully convinced about my change seeing that `CachedSingletonProperty.make_id()` had to carry the superfluous `instance` parameter. But the kind of duplication I'm after was already present in the original code as well, so let have another try:
	3	No, separating them is good, it makes it immediately obvious we have two kind of descriptors. I was myself not fully convinced about my change seeing that `CachedSingletonProperty.make_id()` had to carry the superfluous `instance` parameter. But the kind of duplication I'm after was already present in the original code as well, so let me have another try:
4	4	{{{#!diff
5	5	diff -r 99070e68632a trac/cache.py