[wp-trac] [WordPress Trac] #14881: do_action should not pass empty string by default

[WordPress Trac]

#14881: do_action should not pass empty string by default
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 Reporter:  nacin                |       Owner:
     Type:  defect (bug)         |      Status:  new
 Priority:  normal               |   Milestone:  Future Release
Component:  Plugins              |     Version:
 Severity:  normal               |  Resolution:
 Keywords:  has-patch 3.2-early  |     Focuses:
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Comment (by dd32):

 I'm not sure we can actually change this.

 there's bound to be plugins which rely upon this behaviour, hooking into
 multiple things, etc.

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Ticket URL: <https://core.trac.wordpress.org/ticket/14881#comment:12>
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