<!DOCTYPE html> <html> <head> <title>embellished operators 1: mphantom</title> </head> <body> <div> <!-- mphantom whose child is embellished op --> <math xmlns="http://www.w3.org/1998/Math/MathML"> <mover> <mtext>abcdef</mtext> <mrow> <mtext>g</mtext> <mphantom><mo>¯</mo></mphantom> <mtext>h</mtext> </mrow> </mover> </math> </div> </body> </html>