After each commit to subversion the character encoding is changed/switched. For example see:
https://svn.webgui.org/svnweb/plainblack/revision?rev=8974
https://svn.webgui.org/svnweb/plainblack/revision?rev=8975
https://svn.webgui.org/svnweb/plainblack/revision?rev=8976