from the old bugzilla, originally raised by in 2011 @dbaron

Feedback from David Baron:

November TPAC meeting: http://lists.w3.org/Archives/Public/www-style/2011Nov/0714.html

Email from David: https://lists.w3.org/Archives/Member/w3c-css-wg/2011OctDec/0371.html

Action Item for David to provide description of the problem for insertion in the spec:

https://www.w3.org/Style/CSS/Tracker/actions/415