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Changes between Initial Version and Version 1 of Ticket #11297, comment 6

initial	v1
50	50
51	51	1. How the custom styles will be displayed in styles dropdown? In which group? Widgets styles are a kind of object styles, but we cannot assume that all custom styles will be. We can solve this in two ways:
52		1. custom style handler will define to which default group it belongs (I think that it may be a callback too, because then style handler will have full control in which context and when which style of this type is assigned to which group - of course usually it will always return the same value ~~- but~~ to KISS it may be a const too),
	52	1. custom style handler will define to which default group it belongs (I think that it may be a callback too, because then style handler will have full control in which context and when which style of this type is assigned to which group - of course usually it will always return the same value so to KISS it may be a const too),
53	53	2. we'll have custom styles rendered in a separate, 4th group in styles dropdown.
54	54