During creation the new page with utf-8 codepage and non-Latin characters,
Pressing on either
Save Page or
Preview button results in
Error: cannot decode with wide characters at /usr/lib/perl5/vendor_perl/5.16.1/i686-linux/Encode.pm line 215
Editing the wiki page with non-Latin characters using webinterface also fails with the same error.
Additionally, embedding graphviz graphs non-Latin, leads to he same error. Observed in ikiwiki versions 3.20130904 and version 3.20140102