= How to reproduce = Commit 2 versions of document with filename "Žluťoučký Kůň.c" (or any Central European/Russian/Chineese/Korean characters) into local repository. Make diff selected files.
= Current behavior = FileMerge open empty window. Kdiff throw error that unable open file.
= Expected behavior = Open and diff selected files in kdiff3 or FileMerge.
= Additional info = It should affected all other external diff applications.