Steps to Reproduce: $ LC_ALL=cs_CZ.UTF-8 cal Actual results: bÅezen 2006 Ne Po à St Ä P So ... Expected results: bÅezen 2006 Ne Po Ãt St Ät Pá So ... Version-Release number of selected component (if applicable): util-linux-2.13-0.16 Seems to work fine after adding #define ENABLE_WIDECHAR to the top of cal.c, but AFAICS nothing at all in the source defines ENABLE_WIDECHAR (only HAVE_WIDECHAR). more, ul, column, pg check ENABLE_WIDECHAR too, I have not checked whether there are any bugs caused by its absence in these utilities.