Package: xbase-clients Version: 1:7.0.0-4 Severity: minor File: /usr/bin/xmessage xmessage works, but now these days also says $ xmessage bla Warning: Missing charsets in String to FontSet conversion Warning: Unable to load any usable fontset Oh, I see, LC_ALL=C xmessage bla works OK. I don't know what I did wrong. emacs and uxterm work fine for zh_TW.utf8.