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Changes between Version 2 and Version 3 of Ticket #17447, comment 2

v2	v3
10	10	In addition a plugin developer may want to provide an admin console option that allows the end user to define all the visibility settings for the different post types; a `pre_register_post_type` hook would enable that.
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12		Another example is`$args->columns` which would include a keyed array of headers and callbacks and/or `$args->column_headers` containing an array of headers and `$args->column_callbacks` containing an array of callbacks. And yet another example would be to add `$args->meta_boxes` which would include a keyed array of `meta_box` args.
	12	Another example is an `$args->columns` which would include a keyed array of headers and callbacks and/or `$args->column_headers` containing an array of headers and `$args->column_callbacks` containing an array of callbacks. And yet another example would be to add `$args->meta_boxes` which would include a keyed array of `meta_box` args.
13	13
14	14	As stated, some of those examples are ones I currently would like to be able to streamline by specifying in the `register_post_type()` call making it easier to define a full-features custom post type, and some of these examples of trying to keep WordPress from doing work to create data that is simply going to be thrown away.