CSS Paint API Level 1 Disposition of Comments for 2018-04-10 WD

Dated Draft: https://www.w3.org/TR/2018/WD-css-paint-api-1-20180410/

Editor's Draft: http://drafts.csswg.org/css-paint-api-1/

The following color coding convention is used for comments:

Open issues are marked like this

An issue can be closed as Accepted, OutOfScope, Invalid, Rejected, or Retracted. Verified indicates commentor's acceptance of the response.

Issue 1. #
Summary:  Filter out unsupported properties from inputProperties.
From:     Darren Shen
Comment:  https://github.com/w3c/css-houdini-drafts/issues/523
Response: https://github.com/w3c/css-houdini-drafts/issues/523#issuecomment-351219067
Changes:  https://github.com/w3c/css-houdini-drafts/commit/50fa9b8bedde46462113d756d6895701d3d743d0
Closed:   Accepted
Resolved: Editor discretion
Issue 2. #
Summary:  Allow inputArguments define optional arguments.
From:     zheeeng
Comment:  https://github.com/w3c/css-houdini-drafts/issues/763
Response: https://github.com/w3c/css-houdini-drafts/issues/763#issuecomment-401653404
Closed:   Deferred
Issue 3. #
Summary:  Need to convert paint function to WebIDL Function type.
From:     Shiino Yuki
Comment:  https://github.com/w3c/css-houdini-drafts/issues/743
Response: https://github.com/w3c/css-houdini-drafts/issues/743#issuecomment-379738324
Changes:  https://github.com/w3c/css-houdini-drafts/commit/f9f174dca09f5149c3df558d1c8e74517df19f5e
Closed:   Accepted
Resolved: https://lists.w3.org/Archives/Public/public-houdini/2018Apr/0002.html 
Issue 4. #
Summary:  Use WebIDL callback interface inside of registerPaint.
From:     Shiino Yuki
Comment:  https://github.com/w3c/css-houdini-drafts/issues/743
Response: https://github.com/w3c/css-houdini-drafts/issues/743#issuecomment-379738324
Closed:   Rejected
Resolved: https://lists.w3.org/Archives/Public/public-houdini/2018Apr/0002.html 
Verified: https://github.com/w3c/css-houdini-drafts/issues/743#issuecomment-379646250