Request for Mozilla Position on an Emerging Web Specification

• Specification title: CSS Values and Units Module Level 5
• Specification or proposal URL (if available): https://drafts.csswg.org/css-values-5/#if-notation
• Explainer URL (if available):
• Proposal author(s) (@-mention GitHub accounts):
• Caniuse.com URL (optional):
• Bugzilla URL (optional):
• Mozillians who can provide input (optional):
• WebKit standards-position: CSS if() function WebKit/standards-positions#453

Other information

CSS if() function, specified in CSS Values and Units Module Level 5, which provides a concise way to represent conditional values.
Open spec issues: w3c/csswg-drafts#11500