Auto p corrupting paragraph blocks.

[nbcsteveb]

Description

If I save an article such as:

wp_insert_post(['post_content'=>'<!-- wp:paragraph --><p dir="ltr">Hello, world!</p><! -- /wp:paragraph -->']);

When you open the article and save as draft, this function (or something around it) is updating this content to:

<!-- wp:paragraph -->
<p><p dir="ltr">Hello, world!</p></p>
<!-- /wp:paragraph -->

Which Gutenberg then tells the user is an invalid block of content:

And when resolving:

Step-by-step reproduction instructions

1. Save article: wp_insert_post(['post_content'=>'<!-- wp:paragraph --><p dir="ltr">Hello, world!</p><! -- /wp:paragraph -->']);
2. Open article in WP and save as draft.
3. Refresh the page.
4. Notice the warning about invalid content.

Screenshots, screen recording, code snippet

No response

Environment info

No response

Please confirm that you have searched existing issues in the repo.

• [X] Yes

Please confirm that you have tested with all plugins deactivated except Gutenberg.

• [X] Yes

[talldan]

I wasn't able to reproduce the exact same issue. For me, the block is show as invalid straight away (step 2) and I don't see extra paragraphs. It might be a difference in configuration. I don't think the paragraph knows how to handle the dir attribute, so that's why I get a validation issue.

If I use markup that I created in the editor using the 'Language' format I'm not seeing any issues:

wp_insert_post( array( 'post_content' => '<!-- wp:paragraph --><p><bdo lang="" dir="ltr">Hello, world!</bdo></p><!-- /wp:paragraph -->' ) );

[miminari]

I also tested on WordPress 6.6.1, and it wasn't reproduced. Likewise, I could not proceed to Step 2.

At the same time, I tried the suggested code adding lang attribute and it worked fine.

wp_insert_post( array( 'post_content' => '<!-- wp:paragraph --><p><bdo lang="" dir="ltr">Hello, world!</bdo></p><!-- /wp:paragraph -->' ) );

Some assumptions might be different, but I wasn't able to reproduce too.

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