(You could have made things more simple for you by attaching the files to the bug report. That is possible here, but not in Answers.)
I see now what you mean. Those underlines are not a bug in nXhtml, but indeed I think it is a bug in Emacs instead. I will file a bug report and use your example here for it. Thanks.
Thanks arcade for sending this as a bug report.
(You could have made things more simple for you by attaching the files to the bug report. That is possible here, but not in Answers.)
I see now what you mean. Those underlines are not a bug in nXhtml, but indeed I think it is a bug in Emacs instead. I will file a bug report and use your example here for it. Thanks.