CSS WG Blog Minutes San Diego F2F August 2012: Images …

Minutes San Diego F2F August 2012: Images 4, FPWD Criteria, Grid Layout

CSS Image Values and Replaced Content Level 4

Discussed image-set(). Various issues were raised, including:

• Whether to have x as a synonym for dppx: multiple opinions expressed.
• Whether the UA just picks one and fails after trying, or whether it should fall back to something else in the list if the image fails to load: CSSWG prefers fallback within image-set() to work.
• Whether it should be allowed to nest: general agreement to disallow nesting.

Raised/reraised and discussed various issues wrt element(), including:

• Allow full selectors, or just IDs?
• Is pointing to SVG paint servers a use case, or is it already handled by url() references?
• Can it point to a single page of a paged view?
• How can it handle reflections?
• How can it reference DOM elements not inserted in the document?
• Naming conflict with GCPM element()?
• Is it drawn as a real or pseudo-stacking context?

Resolved: Publish FPWD of Images Level 4

CSS Grid Layout

• Discussed named lines. General agreement that what’s in the spec is not good, but no proposal for what’s good.
• Fundamental conflict in Grid Layout module is between application designers’ “grid” (what’s in the spec) and typographic designers’ “grid” (what some other people want). Peter to propose a Unified Model for grid.
• Discussed various markup models, and how the current spec requires flattening all markup in order to put things into the grid; how to change Grid Layout to work with common HTML markup patterns.
• Discussed default handling of grid element’s children, whether to turn them into grid items (like in Flexbox) or have them form a single flow, and pull positioned items out into the grid.
• Discussed subgrid proposal, which has grid items inside a grid item align to and participate in the sizing of the outer grid, but be positioned within the grid item.
• Discussed naming of grid properties that define tracks, to make them less confusable with grid properties that position things into tracks.
• Phil summarized the status of Grid Layout module

Full minutes: Images Level 4, FPWD Criteria, Grid Layout

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