radical symbol to affect two pixels to the left of content by up to 8/256.
git-svn-id: svn://10.0.0.236/trunk@248576 18797224-902f-48f8-a5cc-f745e15eee43
(nsMathMLContainerFrames have zero preferred width
Test widths of table cells with msqrt, mfenced, and stretchy mo, and mo
with l/rspace.
git-svn-id: svn://10.0.0.236/trunk@248575 18797224-902f-48f8-a5cc-f745e15eee43