https://bugzilla.redhat.com/show_bug.cgi?id=1813728
--- Comment #3 from Akira TAGOH tagoh@redhat.com --- Created attachment 1670435 --> https://bugzilla.redhat.com/attachment.cgi?id=1670435&action=edit Screenshot
I think that it is a font issue.
$ fc-match :charset=0x2e2c FreeSans.ttf: "FreeSans" "Regular"