[wp-trac] [WordPress Trac] #21862: Don't display show_option_none in wp_dropdown_categories when categories exist

[WordPress Trac]

#21862: Don't display show_option_none in wp_dropdown_categories when categories
exist
-------------------------+-----------------------------
 Reporter:  nofearinc    |      Owner:
     Type:  enhancement  |     Status:  new
 Priority:  normal       |  Milestone:  Awaiting Review
Component:  Taxonomy     |    Version:
 Severity:  normal       |   Keywords:
-------------------------+-----------------------------
 I can't find an application of having an extra entry for
 '''show_option_none''' select option if we have category listing. Is there
 any reason to keep it there, like for external filters? If so, that still
 conflicts with the second example below.

 First off, it is invalid since there are some categories available.
 Second, having both '''show_option_none''' and '''show_option_all'''
 displays both entries.

 Related to [http://core.trac.wordpress.org/ticket/21856 #21856] trying to
 list only visible terms.

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Ticket URL: <http://core.trac.wordpress.org/ticket/21862>
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