[wp-meta] [Making WordPress.org] #5875: Allow XML configuration examples in WP core handbook

[Making WordPress.org]

#5875: Allow XML configuration examples in WP core handbook
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 Reporter:  SergeyBiryukov            |       Owner:  (none)
     Type:  defect                    |      Status:  new
 Priority:  normal                    |   Milestone:
Component:  Make (Get Involved) / P2  |  Resolution:
 Keywords:                            |
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Comment (by dd32):

 The problems with this page doesn't appear to be a KSES thing, or a meta
 thing, it's mostly a combination of Gutenberg parsing, the
 syntaxhighlighter block having issues, and improper nesting of blocks in
 the page.

 Editing the page visually causes several issues:
  - Lists are broken blocks, as they're Ordered lists but lack the ordered
 attribute in the block meta
  - Syntax highlighter bash blocks are removed, for some reason
  - The problematic example in question, is a block, contained within a
 block, that doesn't allow nesting.

 On that last one, here's a simplified view of the problem code, used in a
 few places on that page: (Note: nested, and missing list block meta to
 specify ordered)
 {{{
 <!-- wp:list -->
 <ol>
    <li>List content</li>
    <li>List Contents
    <!-- wp:syntaxhighlighter/code {"language":"bash"} -->
       <pre class="wp-block-syntaxhighlighter-code">
         npm install broken-things
       </pre>
    <!-- /wp:syntaxhighlighter/code -->
    </li>
 </ol>
 <!-- /wp:list -->
 }}}

 I've attempted to edit this page several times now to fix those items, but
 every time i fixed one thing I broke another thing, causing me to revert
 back and start again.

 I think this page might need to be rebuilt, or at least copied out of
 Gutenberg corrected and imported back.

-- 
Ticket URL: <https://meta.trac.wordpress.org/ticket/5875#comment:2>
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