[wp-trac] [WordPress Trac] #14122: Custom "capabilities" appears broken on custom post types

[WordPress Trac]

#14122: Custom "capabilities" appears broken on custom post types
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 Reporter:  jakemgold       |       Owner:  nacin                       
     Type:  task (blessed)  |      Status:  assigned                    
 Priority:  normal          |   Milestone:  3.1                         
Component:  Post Types      |     Version:  3.0                         
 Severity:  normal          |    Keywords:  needs-patch needs-unit-tests
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Comment(by nacin):

 Two more patches attached based on further testing for inconsistencies and
 regressions.

 [attachment:14122.capability_type.post.diff] allows capability_type =
 'post' to kick on map_meta_cap, provided that no custom caps were defined.
 This makes sense to commit.

 [attachment:14122.remove.post_type_supports.author.diff] would remove the
 post_type_supports('author') checks on edit_others_posts and
 delete_others_posts. The side effects could be interesting if people are
 storing and retrieving post_author (and even expecting caps to be mapped
 on it), and simply using 'supports' for the meta boxes and quick edit
 field. This seems to be what people have been doing with the 'supports'
 args, unfortunately, so it is probably best to pull this.

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Ticket URL: <http://core.trac.wordpress.org/ticket/14122#comment:47>
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