Cyrillic "Ж" and "К" glyphs are displayed with artifacts

[EldarAgalarov]

Artifacts appearing in Firefox and Chromium:

The artifact looks like a thin horizontal white line in the middle. Perhaps this artifact is also present on other glyphs.

[EldarAgalarov]

@guidoferreyra Hi. Thank you for your effort. I tested 1.5 alpha and see that small "к" still have an artifact:

[EldarAgalarov]

@guidoferreyra Same problem with lowercase 'к' in 1.5 release.
Geist-Sans, Semi-Bold, 20px, Firefox.