[wp-trac] [WordPress Trac] #21576: wp_nav_menu: Don't return markup, when no menu item is set

[WordPress Trac]

#21576: wp_nav_menu: Don't return markup, when no menu item is set
-------------------------+-----------------------------
 Reporter:  obenland     |      Owner:
     Type:  enhancement  |     Status:  new
 Priority:  normal       |  Milestone:  Awaiting Review
Component:  Menus        |    Version:
 Severity:  normal       |   Keywords:  has-patch
-------------------------+-----------------------------
 Having assigned an empty menu to a location can be assumed to be the
 user's way of "disabling" the menu.

 When there are no items, there shouldn't be a menu, hence there shouldn't
 be any extra menu markup.
 Rendering markup nonetheless could lead to issues when menu wrappers are
 styled (as they are in Twenty Twelve) and left empty.

 Currently out put is:
 {{{
 #!php
 <div class="menu-menu-container"><ul id="menu-menu"
 class="menu"></ul></div>
 }}}

 Related: #21562

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Ticket URL: <http://core.trac.wordpress.org/ticket/21576>
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