https://bugs.documentfoundation.org/show_bug.cgi?id=171462
--- Comment #2 from Takenori Yasuda <[email protected]> --- Here is the documentation written by W3C regarding "Group" and "Mono" ruby text. I think this will help you. Requirements for Japanese Text Layout (日本語組版処理の要件) - 3.3 Ruby and Emphasis dots (https://www.w3.org/TR/jlreq/#ruby_and_emphasis_dots) -- You are receiving this mail because: You are the assignee for the bug.
