| <!doctype html> | |
| <html> | |
| <head> | |
| <title>phantom</title> | |
| <meta charset="utf-8"/> | |
| </head> | |
| <body style="background: white;"> | |
| <!-- The <mphantom> element should be invisible but should have the size | |
| of its content. --> | |
| <math> | |
| <mfrac> | |
| <mtext>mphantom</mtext> | |
| <mrow> | |
| <mo>[</mo> | |
| <mphantom> | |
| <mo>(</mo> | |
| <mn>2</mn> | |
| <mo>+</mo> | |
| <msqrt> | |
| <mfrac> | |
| <mi>x</mi> | |
| <mi>y</mi> | |
| </mfrac> | |
| </msqrt> | |
| </mphantom> | |
| <mo>]</mo> | |
| </mrow> | |
| </mfrac> | |
| </math> | |
| </body> | |
| </html> |