[wp-trac] [WordPress Trac] #36212: Empty menu items are deleted without warning

[WordPress Trac]

#36212: Empty menu items are deleted without warning
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 Reporter:  cameronjonesweb          |       Owner:  audrasjb
     Type:  defect (bug)             |      Status:  accepted
 Priority:  normal                   |   Milestone:  5.5
Component:  Menus                    |     Version:
 Severity:  normal                   |  Resolution:
 Keywords:  has-patch needs-testing  |     Focuses:  ui, administration
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Changes (by samful):

 * keywords:  has-patch needs-refresh => has-patch needs-testing


Comment:

 @audrasjb had the right advice here, so thanks for pointing me in the
 right direction. This patch should solve the issue you were having.

 In my testing, the patch seemed to work perfectly, but I also want to note
 that after testing, I found that the theme "Twenty Nineteen" (My other
 installed themes had no issues) has a CSS rule which hides any empty
 {{{<a>}}} tags. So, to get round this I made a quick CSS rule to display
 empty {{{<a>}}} elements again just for Twenty Nineteen. You may want to
 include this in your custom css if you are using Twenty Nineteen, or edit
 it to something similar if using another theme that hides empty {{{<a>}}}
 elements:

 {{{
 .main-navigation .sub-menu > li > a:empty{
         display: block;
 }
 }}}

 I then went on to test what @cameronjonesweb was initially trying to do
 (put an icon font or a symbol in the menu item):

 {{{
 .main-navigation .sub-menu > li > a:empty:after {
         content: "\00a9";
 }
 }}}

 I'll also attach screenshots of the admin view where I edited the menu
 items and the front end where the empty items have the copyright symbol
 {{{\00a9}}}. This is just an example of how it can be done using the
 current patch and the CSS above on the "Twenty Nineteen" theme.

 If someone else could give this patch a test too, that would be very
 helpful :)

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Ticket URL: <https://core.trac.wordpress.org/ticket/36212#comment:7>
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