[wp-trac] [WordPress Trac] #28936: Plugin submenu first item has strange behaviors

[WordPress Trac]

#28936: Plugin submenu first item has strange behaviors
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 Reporter:  MikeHansenMe      |       Owner:
     Type:  defect (bug)      |      Status:  new
 Priority:  normal            |   Milestone:  4.0
Component:  Administration    |     Version:  trunk
 Severity:  normal            |  Resolution:
 Keywords:  has-patch commit  |     Focuses:
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Changes (by SergeyBiryukov):

 * keywords:   => has-patch commit


Comment:

 Caused by `add_submenu_page()` copying the parent item, including classes:
 [source:tags/3.9.1/src/wp-admin/includes/plugin.php#L1122].

 I think we can just skip adding custom classes for the first submenu item,
 see [attachment:28936.2.diff].

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Ticket URL: <https://core.trac.wordpress.org/ticket/28936#comment:4>
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