[css-timing-1] Use new w3cid syntax.

Author: dbaron

css-timing-1/Overview.bs

@@ -7,10 +7,10 @@ Level: 1
 Group: csswg
 ED: https://drafts.csswg.org/css-timing/
 TR: https://www.w3.org/TR/css-timing-1/
-Editor: Brian Birtles 43194, Mozilla https://www.mozilla.org/, bbirtles@mozilla.com
+Editor: Brian Birtles, Mozilla https://www.mozilla.org/, bbirtles@mozilla.com, w3cid 43194
 Editor: Dean Jackson, Apple Inc https://www.apple.com/, dino@apple.com
 Editor: Matt Rakow, Microsoft
-Editor: Shane Stephens 47691, Google Inc, shans@google.com
+Editor: Shane Stephens, Google Inc, shans@google.com, w3cid 47691
 
 Abstract: This CSS module describes a way for authors to define a transformation
     to be applied to the time of an animation. This can be used to produce