[wp-trac] [WordPress Trac] #54170: wp_kses_allowed_html stripping picture tags

[WordPress Trac]

#54170: wp_kses_allowed_html stripping picture tags
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 Reporter:  shaneonabike  |      Owner:  (none)
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  General       |    Version:
 Severity:  normal        |   Keywords:
  Focuses:                |
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 Since the latest release of {{{wp_kses_allowed_html}}} it would appear
 that the function is stripping picture tags. I don't really understand why
 these are considered invalid. Specifically: picture, source, media and
 srcset.

 My scenario is to provide better image rendering than the default setup by
 WordPress so I generate a <picture> tag.

 Is it possible to add these to allowed html rather than requiring folks to
 create a custom filter as I have created below:


 {{{
 add_filter('wp_kses_allowed_html','kses_filter_allowed_html',10,2);
 function kses_filter_allowed_html($allowed, $context) {
   if (is_array($context)) return $allowed;

   if ($context == 'post') {
     $allowed['picture'] = true;
     $allowed['source']['media'] = true;
     $allowed['source']['srcset'] = true;
   }
   return $allowed;
 }

 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/54170>
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