These are not punctuation marks, but a bit of experimentation suggests that any Greek character, upper or lower case, will serve.
I trust this helps.
Brian Barker
![[TEST] Document Foundation Community](https://communitytest.documentfoundation.org/images/discourse-logo-sketch.png){kind=logo}
These are not punctuation marks, but a bit of experimentation suggests that any Greek character, upper or lower case, will serve.
I trust this helps.
Brian Barker