| <!doctype html> | |
| <html> | |
| <head> | |
| <title>fractions invalid</title> | |
| <meta charset="utf-8"/> | |
| </head> | |
| <body> | |
| <!-- WebKit ignores bad markup. --> | |
| <math> | |
| <mfrac><mn>1</mn><mn>2</mn></mfrac> | |
| </math> | |
| <math> | |
| <mfrac> | |
| <mrow><mi>x</mi><mo>+</mo><mn>1</mn></mrow> | |
| <mrow><mi>x</mi><mo>+</mo><mn>2</mn></mrow> | |
| </mfrac> | |
| </math> | |
| </body> | |
| </html> |