CSS WG Blog

This is a page from the Cascading Style Sheets Working Group Blog. Some other places to find information are the “current work” page, the www-style mailing list, the Future of CSS syndicator, and the issue list on Github.

Do you want to know how the CSS WG works? Fantasai has written about:csswg, An Inside View of the CSS Working Group at W3C.

Minutes and Resolutions TPAC F2F 2010 Tuesday Afternoon: Logical layout, Font features, Position-Layout, Inline transforms, Haptics

By fantasai November 17, 2010 (Permalink)
Categories: resolutions

Logical Layout

Long discussion on logical (start/end/before/after) properties or values. No consensus. Dropped from css3-writing-modes draft.

Font Features

Discussed proposal to create font-specific font feature name maps. Syntax variants were discussed, with the goal of making the syntax reflect better the intended compounding behavior of the declarations.

Position Layout

Tab Atkins presented a proposal to position boxes relative to other boxes. Resolved: add to next charter as low priority.

Inline Transforms

Resolved: When inline elements are broken into multiple boxes due to either bidi or line-breaking, transforms apply to bounding box of the inline. Mark application of transforms to inlines at-risk.

Haptics

Ilkka Oksanen presented a proposal for haptics controls to mimic OS-defined widgets haptic responses. There was some concern about reintroducing the problems with system colors and/or the ‘appearance’ property.

Full minutes

Minutes and Resolutions TPAC F2F 2010 Tuesday Morning: Grids, Bidi Controls, ‘writing-mode’ property, tate-chu-yoko

By fantasai November 17, 2010 (Permalink)
Categories: resolutions

Grids

Microsoft presented another layout proposal that deals with grids. There is a lot of overlap with Template.

CSS3 Writing Modes

Aharon and fantasai explained the new ‘isolate’ and ‘plaintext’ values for ‘unicode-bidi’, what use cases they solve, and how they interact with HTML5’s bidi features.
fantasai explained the new ‘writing-mode’ property and its relationship to SVG; why it does not set the ‘direction’ property, and why the value names were changed
Resolved: remove the horizontal-bt value of ‘writing-mode’
Briefly reviewed ‘text-orientation’ property
Discussed tate-chu-yoko feature requirements.

Full minutes

Minutes and Resolutions TPAC F2F 2010 Monday Afternoon: MultiCol, Flexbox, GCPM

By fantasai November 17, 2010 (Permalink)
Categories: resolutions

CSS3 Multi-Column Layout

Resolved: If a columnspanning element doesn’t fit within the multicol element without overflowing, then it doesn’t span anymore.
Resolved: column-span applies to “in-flow block-level elements”
Resolved: column-spanning elements are BFC roots always
Resolved: Initial value of column-span is ‘none’ (to distinguish BFC behavior of 1-spanning and not-spanning).
Resolved: Columns overflowing due to forced breaks and not constrained height overflow to the right, rather than wrapping to a new column row below. Note this causes dataloss when printing.

Flexbox

Resolved: Change prefix from box- to flex-
Resolved: Combine box-orient and box-direction into flex-direction
Resolved: Split box-flex into flex-grow and flex-shrink
Resolved: ‘auto’ margins flex as 1
Resolved: Drop box-flex-group
Resolved: Mark multiline at-risk.
Resolved: Rename box-ordinal-group to either flex-order or flex-index (mark exact name as issue)
Resolved: Mark entire transverse alignment as an issue until further notice.

GCPM

Discussed problem of specially styling pages that are the first or last page of a named page set, or that belong to the spread containing that first or last page.
Discussed problem of tweaking page size to handle widows or orphans.
Discussed hyphenate-last-line-avoid property proposal.

Full minutes

Minutes and Resolutions TPAC F2F 2010 Monday Morning: Transforms, EPUB, CSS2.1 test suite, Bidi Images and Lists

By fantasai November 17, 2010 (Permalink)
Categories: resolutions

2D Transforms

Discussed next steps and blocking issues for CSS 2D Transform.

Resolved: Discuss an API to parse the specified value into an author-convenient form, before pushing CSS 2D Transforms spec forward.
Resolved: Any Transforms tests that can be reftests must be reftests.
Resolved: Remove the value API from 2d Transforms.

EPUB Liaison

Markus Gylling, AC rep of DAISY consortium, visited to talk about EPUB and the IDPF and coordination with the CSSWG. Discussion topics included:

IDPF process, and comparison/contrast to W3C process
EPUB goals and status of relevant CSS drafts
CSS3 Speech: EPUB plans to send an editor to move it forward.

CSS2.1 Testing

RC3 published last week as a snapshot: planning RC4 as a “known bugs fixed” release.
Resolved: Target Nov 22nd for CSS2.1 test suite RC4 freeze.
Resolved: Target Dec 8th for RC4 implementation report submissions; telecon dedicated to reviewing test changes and completing IR.

Bidi Images and Lists

Aharon Lanin introduced his proposals to solve two problems:

Ability to automatically flip images for RTL. (This will be considered for CSS3 Images.)
Ability to assign list item marker position to match list directionality rather than item directionality.

Full minutes

Minutes and Resolutions 2010-10-27

By fantasai November 3, 2010 (Permalink)
Categories: resolutions

New snapshot build of CSS 2.1 test suite published; not all bugs fixed yet.
Deferring CSS2.1 Issue 101 to see if change is actually needed for web compat; IE9 implements per spec.
Resolved: CSS2.1 Issue 154 (images to clarify inline measurements) closed wontfix; prose edits have improved the text enough already.
Resolved: Proposal accepted for CSS2.1 Issue 159 (margin collapsing rewrite) with Bert’s “no padding or margin areas” change and “drop ‘vertical'” suggested changes; fantasai to write example clarifying adjoining behavior of collapsed margins.
Resolved: Publish CSS3 Backgrounds and Borders as CR. Disposition of Comments.
Reviewed Bert’s follow-up comments on edits to CSS2.1 Issues 120 and 142.

Full minutes

CSS2.1 Editor’s Draft now public

By fantasai October 21, 2010 (Permalink)
Categories: publications

In response to the CSSWG resolution, Bert just published a public copy of the CSS2.1 Editor’s Draft on the W3C website.

Most of the resolutions from the CSS2.1 Issues list are reflected in this document, but not all. It will in general be somewhat behind the issues list. It will match the published errata, however. It essentially provides an easier-to-read document that combines the latest official Working Draft with the latest published errata.

We expect the editor’s draft to make life easier for developers and testers working with the CSS2.1 spec, and hope that the official draft will be ready to republish soon.

Minutes and Resolutions 2010-10-20

By fantasai October 21, 2010 (Permalink)
Categories: resolutions

Discussed status of implementation reports and their aggregation
Discussed status of test suite publications and fixes
Discussed status of CSS2.1 edits
Resolved: Publish editor’s draft of CSS2.1 publicly ASAP
Reviewed open CSS2.1 issues
Resolved: Fix CSS2.1 error: overflow applies to inline-table just like tables.
Discussed TPAC agenda
Discussed @font-face loading flash-of-unstyled content issue. Apple wants some kind of author control. Others suggest additional UA smartness and/or user controls for fallback timeout.
Discussed writing-modes draft
Discussed multicol usability issue when columns taller than viewport; glazou to draft note explaining this issue to add to spec

Full minutes

Minutes and Resolutions 2010-10-13

By fantasai October 19, 2010 (Permalink)
Categories: resolutions

Reviewed status of CSS2.1 implementation reports
Reviewed status of CSS2.1 issues
Discussed TPAC agenda
Resolved: Transition CSS Color Module Level 3 to PR: Disposition of comments, Implementation Report

Full minutes

Minutes and Resolutions 2010-09-29

By fantasai October 19, 2010 (Permalink)
Categories: resolutions

Discussed status of CSS2.1 edits, test suite publications.
Resolved: Accept szilles’ edits regarding floats and runins, but mark the float/runin interaction as at-risk for CSS2.1 Issue 199.
Discussed liaison with EPUB and the challenge of meeting their schedule.
Resolved: Publish a new WD of CSS3 Text.
Discussed status of CSS3 Color and its Disposition of Comments.

Full minutes

Minutes and Resolutions 2010-09-22

By fantasai October 19, 2010 (Permalink)
Categories: resolutions

Discussed CSS2.1 Implementation Reports, how to get them done, what’s necessary to be done, etc.
Resolved: Adopt CSS3 CR exit criteria for CSS2.1 so that we can use beta builds.

Full minutes

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