[wp-trac] [WordPress Trac] #64537: Block Processor: Extracting full block missing nested content.

[WordPress Trac]

#64537: Block Processor: Extracting full block missing nested content.
--------------------------+----------------------
 Reporter:  dmsnell       |      Owner:  dmsnell
     Type:  defect (bug)  |     Status:  assigned
 Priority:  normal        |  Milestone:  6.9.1
Component:  Editor        |    Version:  6.9
 Severity:  normal        |   Keywords:
  Focuses:                |
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 The behavior of `WP_Block_Processor::extract_full_block_and_advance()`
 should produce an identical output to what `parse_blocks()` would return
 on the same substring of input.

 It has difficulties in certain nested contexts. In the following case, the
 trailing `</ul>` is missing. In several test cases the trailing HTML span
 is missing, at least from `innerContent`.

 {{{
 <!-- wp:columns --><ul><!-- wp:column --><li>Hi</li><!-- /wp:column
 --></ul><!-- /wp:columns>
 }}}

 There is likely a problem in the recursive part of the algorithm, or in
 recognizing HTML spans, or in performing proper stack accounting, or all
 three.

 Reported by @jonsurrell

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Ticket URL: <https://core.trac.wordpress.org/ticket/64537>
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