Request for Mozilla Position on an Emerging Web Specification

• Specification title: CSS Typed OM
• Specification or proposal URL (if available): https://drafts.css-houdini.org/css-typed-om-1
• Explainer URL (if available):
• Proposal author(s) (@-mention GitHub accounts):
• Caniuse.com URL (optional):
• Bugzilla URL (optional): https://bugzilla.mozilla.org/show_bug.cgi?id=1278697
• Mozillians who can provide input (optional):
• WebKit standards-position:

Other information

This was split out from #93 -- see #1087