mo-form-fallback.html (1125B)
1 <!DOCTYPE html> 2 <html> 3 <head> 4 <meta charset="utf-8"/> 5 <title>form fallback</title> 6 <link rel="help" href="https://w3c.github.io/mathml-core/#operator-fence-separator-or-accent-mo"> 7 <meta name="assert" content="Verify fallback to postfix/prefix forms."> 8 <link rel="match" href="mo-form-fallback-ref.html"> 9 </head> 10 <body> 11 12 <!-- The left (respectively right) parenthesis only has a prefix 13 (respectively postfix) form which gives its stretchiness. 14 In theory, the parenthesis in the middle of the <math> element are 15 considered infix operators and should not stretch. Let's check that we 16 fallback to the postfix/prefix forms and actually make them stretchy. 17 This is to handle bad MathML markup that misses explicit <mrow> tags. 18 --> 19 20 <math> 21 <mo>(</mo> <mspace height="3em" depth="3em"/> <mo>)</mo> 22 <mo>(</mo> <mspace height="3em" depth="3em"/> <mo>)</mo> 23 </math> 24 25 <script src="/mathml/support/feature-detection.js"></script> 26 <script>MathMLFeatureDetection.ensure_for_match_reftest("has_mspace");</script> 27 </body> 28 </html>