What needs to be done (in my point of view, at least) is for evince to display a warning like "CJK font support is included in the non-free package poppler-data, which is currently not installed on your system" in these cases.
I have made the same comment upstream (in debian and freedesktop)... -- Can't read PDF file with Japanese text https://bugs.launchpad.net/bugs/197537 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is a bug assignee. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs