I'm still missing something.  Why would the direction of the contour matter
if, in either case, it's the same set of points?

On Fri, Aug 11, 2023 at 6:52 AM Werner LEMBERG <w...@gnu.org> wrote:

>
> > You said that for an i - like shape:
> >> Both contours have the same direction.
> >
> > What kind of problems does this rule protect against?
>
> Sorry, this was sloppily formulated.  It's about the *local* direction
> of contours, that is, whether a horizontal contour segment goes from
> left to right or from right to left.  For the 'i' stem and the 'i'
> dot, both contours must have the same direction globally, but locally,
> at the dividing space, the corresponding lower and upper segments must
> have the opposite directions.
>
>
>     Werner
>

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