Request for automatic numbering of bookmarks to be turned off

[colomet]

Description

If the web book have Display part and chapter numbers deactivated,

maybe we should match the table of contents of the pdf in the same way and not to show the numbers.

Expected behaviour

To not to have numbers in the left of the titles of the sidebar TOC

Actual behaviour
we have the numered TOC

Steps to reproduce the problem

[First Step, Second Step, etc]

System Information

• mPDF for Pressbooks: [3.2]
• Pressbooks: [5.4.2]
• WordPress: [4.9.7]

[colomet]

https://discourse.pressbooks.org/t/mpdf-generates-unwanted-bookmark-numbering/785/2

[josieg]

Related issues for context: #1 and #12