Comment 6 for bug 656690

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Paul Sladen (sladen) wrote : Re: Expansion: (ả, ẻ, ủ, ẽ, ớ, ờ) for Vietnamese in Latin Extended Additional

The subsetting code used for the Google Font Directory performs the Vietnamese subsetting by pulling in the range U+1EA0..U+1EF2 (82 codepoints), plus U+20AB from the currency block:

  http://code.google.com/p/googlefontdirectory/source/browse/tools/subset/subset.py

  Lines:
  181 if 'vietnamese' in subset:
  182 result += range(0x1ea0, 0x1ef2) + [0x20ab]