No Wordwise because Worddumb output to different folder

[khlkh]

Describe the bug
The Kindle's wordwise feature doesn't able to recognize output from Calibre Worddumb plugin WHEN the meta data "Author(s)" and "Author sort" contains different values.

For example,

Book Title: I’m Still Standing: Bond King Bill Gross and the PIMCO Express
Author(s): William Gross
Author sort: Gross, William

Calibre Library: C:\Users\reporter\Calibre Library\William Gross\I'm Still Standing_ Bond King Bill G (20)
Kindle Drive: F:\documents\Gross, William\I'm Still Standing_ Bond King Bill Gross and the PIMCO Express - William Gross.sdr

The wordwise is ON but doesn't get activate on Kindle e-reader when open this book.

System Information

• OS: Windows 10, 64bit
• calibre version: 5.40, 64bit
• Python version: 3.10.2, 64bit
• Plugin version: 3.19.0

Error message
No errors while executing the "WordDumb" plugin

To Reproduce
Steps to reproduce the behavior:
0. Connect Kindle & ensure wordwise feature turns ON

1. Go to 'Calibre", pick a file with different Author(s) and Author sort
2. Click on 'WordDumb'
3. Disconnect Kindle
4. Open the newly upload file in Kindle -- No wordwise activated

To "workaround" it:

1. Clean-up

• Remove the ebook from kindle from Kindle Library UI
• Connect Kindle and remove the empty folder "Gross, William"

2. Right click on the ebook and Edit meta-data

3. Ensure both Author(s) and Author sort field contains exactly the same value

4. Repeat the steps in "To reproduce" and it will just works!

Expected behavior
The Worddumb shall works even when the Author(s) and Author sort contains different values.

Screenshots or videos
no applicable

Additional context
Add any other context about the problem here.

[xxyzz]

It only occurs on calibre 5.40? I have not idea why the folder name affects Word Wise.

Sadly, I can't reproduce it.