<!DOCTYPE html> <html> <head> <title>Test munderover with empty scripts</title> </head> <body> <p>munder / munderover with empty overscript: <math> <munderover style="background: red;"> <mtext style="background-color: rgba(0, 0, 255, 0.4);">AAA</mtext> <mtext style="background-color: rgba(0, 255, 0, 0.4);">bbb</mtext> <mspace></mspace> </munderover> </math></p> <p>mover / munderover with empty underscript: <math> <munderover style="background: red;"> <mtext style="background-color: rgba(0, 0, 255, 0.4);">AAA</mtext> <mspace></mspace> <mtext style="background-color: rgba(0, 255, 0, 0.4);">bbb</mtext> </munderover> </math></p> <p>mrow / munder with empty scripts: <math> <munderover style="background: red;"> <mtext style="background-color: rgba(0, 0, 255, 0.4);">AAA</mtext> <mspace></mspace> <mspace></mspace> </munderover> </math></p> </body> </html>