Any heading that has "&" results in "\&" in the Table of Content

[LordAmit]

What's the problem

If the content is something like:

## Something A&B'11

The generated table of content is the following:

Something A\&B'11

What's the expected result

The Table of content is expected to be

Something A&B'11

Other information

Version: 3.5.1, latest as of July 26, 2023.

[yzhang-gh]

Thanks for the feedback. This is a known "issue" after a big change in the code base (similar to #903). And I have never found enough time to think of a solution since then. Maybe we can get some help from the community.