Package: fonts-droid
Version: 1:4.4.4r2-7
Following five characters of Droid Sans Fallback shows wrong glyphs, possibly off by one codepoint:
U+11B9 HANGUL JONGSEONG PIEUP-SIOS looks like SIOS
U+11BA HANGUL JONGSEONG SIOS looks like SSANGSIOS
U+11BB HANGUL JONGSEONG SSANGSIOS looks like IEUNG
U+11BC HANGUL JONGSEONG IEUNG looks like CIEUC
U+11BD HANGUL JONGSEONG CIEUC looks like SSANGCIEUC
You can compare with Nanum Gothic from fonts-nanum, or equivalent characters in other block (U+3144 ~ U+3149) of the same font.