[wp-trac] [WordPress Trac] #46964: ID attribute value are used multiple times in "Custom Field" form

[WordPress Trac]

#46964: ID attribute value are used multiple times in "Custom Field" form
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 Reporter:  jankimoradiya              |       Owner:  audrasjb
     Type:  defect (bug)               |      Status:  accepted
 Priority:  normal                     |   Milestone:  5.3
Component:  Editor                     |     Version:  5.0
 Severity:  normal                     |  Resolution:
 Keywords:  has-screenshots has-patch  |     Focuses:  ui, accessibility
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Comment (by afercia):

 After some software archeology, looks like there was an attempt to fix
 this issue in Gutenberg, see:

 https://github.com/WordPress/gutenberg/pull/4697

 that change was then reverted (February 2018)
 https://github.com/WordPress/gutenberg/pull/4971

 Still, there's the need to come up with the best option to use unique IDs.

 `the_block_editor_meta_boxes()` prints out a form for three locations:
 'side', 'normal', 'advanced'. Not sure about the internal logic for meta
 boxes backwards compatibility but seems to me only the first `#poststuff`
 is visible, while the other two ones are always hidden within a
 `#metaboxes` div and maybe don't need IDs? /Cc @youknowriad any feedback
 would be greatly appreciated.

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Ticket URL: <https://core.trac.wordpress.org/ticket/46964#comment:15>
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