409 improve tree comment processing

[atimmer]

Summary

This PR can be summarized in the following changelog entry:

Relevant technical choices:

Test instructions

This PR can be tested by following these steps:

Impact check

• This PR affects the following parts of the plugin, which may require extra testing: *

UI changes

• [ ] This PR changes the UI in the plugin. I have added the 'UI change' label to this PR.

Quality assurance

• [ ] I have tested this code to the best of my abilities
• [ ] I have added unittests to verify the code works as intended

Fixes #