Nested lists sometimes broken when pasting from Word

[mabryl]

📝 Provide detailed reproduction steps (if any)

1. Download the sample files: broken-list.docx, working-list.docx
2. Paste the contents into the Paste from Office Enhanced demo
3. Compare the results

✔️ Expected result

The subitems should be retained when pasting the contents of the first file, as is the case in CKE4, for example:

❌ Actual result

The first two subitems change into regular list items and move to the bottom of the document:

❓ Possible solution

I wasn't able to reproduce this behavior with a fresh Word file (working-list.docx). Not sure what the difference is between these two lists.

📃 Other details

• Browser: cross-browser
• OS: cross-OS
• First affected CKEditor version: N/A
• Installed CKEditor plugins: N/A

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[filipsobol]

When pasting content from Office, we detect list items when they are <p> or <h1> to <h6> elements with a mso-list style. This works fine in working-list.docx document from above, as all items are <p> tags.

However, for whatever reason, the first nested list in broken-list.docx is a <ul> with <li> elements. This does not satisfy our current requirements.

Simply adding li to the RegExp detects bunch of other elements as list items, so this needs further investigation.

This works fine in other editors.

[dgibbons]

I have found another document from a different source that has a similar but different problem. In this case, several of the bullets are re-ordered in the document.

Here is a screenshot of the behaviour:

Note that this appears to be a bug with the "paste from office enhanced" plugin, as the "without paste from office enhanced" plugin is not showing this issue. Paste from office enhanced is not getting the bullet nesting correct, however.

CK4 gets the order correct, and the nesting correct:

Ideally the Paste from Office plugin would work as well as CK4 does here.

Test word doc here: Missing bullets example.docx