Do you want to know how the CSS WG works? Fantasai has written about:csswg, An Inside View of the CSS Working Group at W3C.
normalis initial value, and
noneis added which turns off those features.
text-shadowon an element applies to decorations imposed by its ancestors, because it is what is most widely implemented now.
blinkis value of
text-decoration-lineand it is deprecated with warning that authors should not use it.
<blink>with animations in the UA style sheet appendix.
text-justifyshowing differences among values
text-decoration-skipcontrolling whether decorations are drawn through the padding/border/margin of
display:inlineelements. This new value is not part of the initial value and therefore (change from CSS 2.1) decorations imposed by ancestors are drawn through an inline element’s padding/border/margin by default.