[css-overview-3] Document reality.

Author: fantasai

css-overflow-3/Overview.bs

@@ -10,6 +10,7 @@ TR: https://www.w3.org/TR/css-overflow-3/
 Previous version: https://www.w3.org/TR/2016/WD-css-overflow-3-20160531/
 Previous version: https://www.w3.org/TR/2013/WD-css-overflow-3-20130418/
 Editor: L. David Baron, Mozilla https://www.mozilla.org/, https://dbaron.org/, w3cid 15393
+Editor: Elika J. Etemad / fantasai, Invited Expert, http://fantasai.inkedblade.net/contact, w3cid 35400
 Editor: Florian Rivoal, On behalf of Bloomberg, http://florian.rivoal.net/, w3cid 43241
 Abstract: This module contains the features of CSS relating to scrollable overflow handling in visual media.
 !Change Log: <a href="https://hg.csswg.org/drafts/log/tip/css-overflow/Overview.bs">from 27 January 2015 to the present</a>
@@ -475,7 +476,6 @@ Acknowledgments</h2>
 		Bert Bos,
 		Tantek Çelik,
 		John Daggett,
-		fantasai,
 		Daniel Glazman,
 		Vincent Hardy,
 		H&aring;kon Wium Lie,