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Ell authored
... to make multi-color hard-edge gradient fills possible Add a new "step" gradient-segment blending function, which is 0 before the midpoint, and 1 at, and after, the midpoint. This creates a hard-edge transition between the two adjacent color stops at the midpoint. Creating such a transition was already possible, but required duplicating the same color at the opposing ends of two adjacent stops, which is cumbersome.
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