> For CJK glyph, There are alway many diagonal stems that needed to be
> fit with blue zones. However, since we cannot produce a horizontal
> or vertical segment out of a diagonal stem, the stem cannot be blue
> zoned, e.g. the top and the bottom of 户.
>
> To solute the problem, I suggest to treat the extremas of every
> contours in a glyph as edge lines. Then we can blue zone the edges
> so that diagonal stems can also be aligned at top and bottom.
Sounds interesting and shouldn't be too hard to implement.
Werner
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