Flexbox support for float-like avoidance behavior

In current CSS, float allows content to wrap around elements, but it doesn't integrate with Flexbox. I propose a new feature for Flexbox layout where flex items can automatically avoid specified regions during layout.

Use Cases

• Floating sidebars within a flex container
• Avoiding ad blocks or overlays
• Creating dynamic layouts that adapt to anchored elements

Possible Syntax Ideas

.flexbox {
  flow-around: rect(0 10% 10% 0), 
               rect(0 100% 10% 90%);
}

This behavior would allow Flexbox to support more fluid and responsive layouts, similar to how shape-outside enables text to wrap around shapes. However, unlike shape-outside, this would apply to box-level elements, not just inline text.

Would love to hear thoughts on feasibility and potential directions. Thank you!

No repository file or test is named. Start by reviewing the proposed flow-around syntax and the stated Flexbox and shape-outside use cases, then determine the required specification scope and feasibility. Done would require an agreed direction for the feature, not a localized edit.