标题块转换为文档块后，标题块里的某些英文符号得不到保留

Is there an existing issue for this?

• I have searched the existing issues
  To pick up a draggable item, press the space bar. While dragging, use the arrow keys to move the item. Press space again to drop the item in its new position, or press escape to cancel.

Can the issue be reproduced with the default theme (daylight/midnight)?

• I was able to reproduce the issue with the default theme
  To pick up a draggable item, press the space bar. While dragging, use the arrow keys to move the item. Press space again to drop the item in its new position, or press escape to cancel.

Could the issue be due to extensions?

• I've ruled out the possibility that the extension is causing the problem.
  To pick up a draggable item, press the space bar. While dragging, use the arrow keys to move the item. Press space again to drop the item in its new position, or press escape to cancel.

Describe the problem

如视频所示，可以看到很多英文符号在转换成文档块后得不到保留，只测试了一部分符号，没有全部测试

Expected result

搜了一下没看到相应issue，是bug还是故意这么设置？
如果就是这么设置的话应该在帮助文档里写清楚吧，我看帮助文档里没写

Screenshot or screen recording presentation

No response

Version environment

- Version: 3.0.11
- Operating System: macOS 13.6.6
- Browser (if used):

Log file

.

More information

No response