Custom invoice field - text formating, line break


first of all thank you for your hard work!

Is there any way how to format the Invoice field text?

I would like to make some text in bold and perhaps add some line breaks instead of spaces (currently using these). Standard HTML tags does not work.

Thank you.

I have managed to solve bold by **.

Thanks, glad you were able to solve it.

This video covers it a bit:

Thanks. This is exactly where I have found it.

The only remaining problem is that I need to use spaces instead of the line break, but it will do the job.