message: Actually fixes emoji rendering using DirectWrite.
  We should not assume that only Emoji can be RGBA anyways. But why is presentation not as expected?
diff: @@ -222,9 +222,10 @@ optional<TextRenderer::DataRef> TextRenderer::getTextureInfo(text::glyph_key con
  // {{{ scale bitmap down iff bitmap is emoji and overflowing in diemensions
  if (glyph.format == text::bitmap_format::rgba)
  {
  - assert(numCells >= 2);
  - auto const cellSize = gridMetrics_.cellSize;
  + // FIXME !
  + // We currently assume that only Emoji can be RGBA, but there are also colored glyphs!
  + auto const cellSize = gridMetrics_.cellSize;
  if (numCells > 1 && // XXX for now, only if emoji glyph
  (glyph.size.width > (cellSize.width * numCells)
  || glyph.size.height > cellSize.height))
  