I'm seeking WebKit's position on overflow:clip [1] and overflow-clip-margin [2]. These are part of CSS Overflow Module Level 3.

[1] - https://drafts.csswg.org/css-overflow-3/#valdef-overflow-clip

[2] - https://drafts.csswg.org/css-overflow-3/#propdef-overflow-clip-margin

Thanks,

  -Scott