Hi All, Example 6, Example 7 and Figures 28 and 29 in non-normative section of 4.3.1. Spacing keyframes (http://w3c.github.io/web-animations/#spacing-keyframes) still use "paced" spacing mode without paced property specified. According the latest changes in the spec paced property is required.
-- Regards, Sergey G. Grekhov
