Workaround for russian letter "Ё"/"ё" (unicode U+0401/U+0451) garbling up TextEdit.

(We just substitute them with Latin U+00CB/U+00EB which look exactly the same but are actually present in the font)
Merge pull request #850 from sfalexrog/fixes

Workaround for russian letter "Ё"/"ё" (unicode U+0401/U+0451) garbling u...