| <!DOCTYPE html> | 
 | <html> | 
 | <head> | 
 | <meta charset="utf-8"> | 
 | <title>CSS Masking Module Level 1: parsing mask-composite with valid values</title> | 
 | <link rel="help" href="https://drafts.fxtf.org/css-masking-1/#the-mask-composite"> | 
 | <meta name="assert" content="mask-composite supports the full grammar '<compositing-operator>#'."> | 
 | <script src="/resources/testharness.js"></script> | 
 | <script src="/resources/testharnessreport.js"></script> | 
 | <script src="/css/support/parsing-testcommon.js"></script> | 
 | </head> | 
 | <body> | 
 | <script> | 
 | test_valid_value("mask-composite", "add"); | 
 | test_valid_value("mask-composite", "subtract"); | 
 | test_valid_value("mask-composite", "intersect"); | 
 | test_valid_value("mask-composite", "exclude"); | 
 | test_valid_value("mask-composite", "add, subtract"); | 
 | </script> | 
 | </body> | 
 | </html> |