====== TPAC 2012 ======

CSS will meet during [[http://www.w3.org/2012/10/TPAC/|TPAC 2012]], which runs from Monday 29 October through Friday 2 November, in Lyon, France.  The CSS working group will be meeting on **Sunday**, Monday, and Tuesday, October 28-30.

**Logistics**: [[http://www.w3.org/2012/10/TPAC/|TPAC 2012]] (including registration)

===== Meeting Minutes ====
**Sunday, 28 October:**
  * [[http://lists.w3.org/Archives/Public/www-style/2012Nov/0253.html|Sunday AM I]], Style Attributes, Writing  Modes, Text, Text Decoration
  * [[http://lists.w3.org/Archives/Public/www-style/2012Nov/0254.html|Sunday AM II]], Spec Shortnames, Prioritization
  * [[http://lists.w3.org/Archives/Public/www-style/2012Nov/0252.html|Sunday AM III]], Conditional Rules, Sizing
  * [[http://lists.w3.org/Archives/Public/www-style/2012Nov/0249.html|Sunday PM I]], Collisions, Exclusions,  Line Layout
  * [[http://lists.w3.org/Archives/Public/www-style/2012Nov/0250.html|Sunday PM II]], Paged Media, Box, Fragmentation,  Overflow Regions
**Monday, 29 October:**
  * [[http://lists.w3.org/Archives/Public/www-style/2012Nov/0258.html|Monday AM I]], HTMLWG/CSSWG Coordination
  * [[http://lists.w3.org/Archives/Public/www-style/2012Nov/0260.html|Monday AM II]], Regions, Multicol
  * [[http://lists.w3.org/Archives/Public/www-style/2012Nov/0259.html|Monday PM I]], Masking, Compositing
  * [[http://lists.w3.org/Archives/Public/www-style/2012Nov/0261.html|Monday PM II]], Animations, Transforms
**Tuesday, 30 October:**
  * [[http://lists.w3.org/Archives/Public/www-style/2012Nov/0262.html|Tuesday AM I]], Abstract Directions, Transforms,  Transitions
  * [[http://lists.w3.org/Archives/Public/www-style/2012Nov/0263.html|Tuesday AM II]], text-overflow, case-sensitivity,  Grid Layout
  * [[http://lists.w3.org/Archives/Public/www-style/2012Nov/0265.html|Tuesday PM I]], AltSS, Cascade, HTML5,  Conditional Rules
  * [[http://lists.w3.org/Archives/Public/www-style/2012Nov/0264.html|Tuesday PM II]], Display Models, Animations

===== Participants =====
Sorted by family name:
^ Name ^ Representing ^ Arrive ^ Leave ^ Hotel ^ Flight Info ^ Notes ^
| Glenn Adams | Cox | Oct 28 | Nov 02 | Hilton (Lyon) | TGV6605/6628 | +TTWF |
| David Baron | Mozilla | Oct 27 | Nov 3 | Hôtel de la Cité Concorde | TGV | +TTWF |
| Tantek Çelik | Mozilla | 2012-10-29 | 2012-11-02 | Hôtel de la Cité Concorde | BA362 17:35 / BA361 11:35 | |
| Arron Eicholz | Microsoft | 28 Oct | 31 Oct | Hilton (Lyon) | AF3639 on 25 Oct, TGV6605/6620 | +TTWF |
| fantasai | Mozilla | 27 Oct | 3 Nov | Cité Internationale Temporim | TGV6631/??? | +TTWF |
| John Jansen | Microsoft | 28 Oct | 31 Oct | Hôtel de la Cité Concorde | AF3639 on 25 Oct, TGV6613/6620 | +TTWF | 
| Taichi KAWABATA | NTT | 27 Oct | 3 Nov | IBIS LYON plais des congres | AF7648 | |
| Peter Linss | HP | Oct 27 | Nov 04 | Hilton (Lyon) | TGV6631/6616 | +TTWF |
| Edward O'Connor | Apple | 2012-10-27 | 2012-11-03 | Hôtel Le Roosevelt | TGV5601/5550 | +TTWF |
| Florian Rivoal | Invited Expert | Oct 26| Oct 28 | Mercure Lyon Saxe Lafayette |TGV 6633/6674 |
| Simon Sapin | Kozea | (Based in Lyon, not travelling) ||| TCL C26 | AC meeting on Tuesday afternoon |
| Dirk Schulze | Adobe | Oct 28 | Oct 31 |  |  | +TTWF |
| Alan Stearns | Adobe | Oct 28 | Nov 04 | AirBNB apt. | TGV6631/AF 7651 | +TTWF |
| Leif Storset | Opera | Oct 26 | Nov 01 | Hôtel de la Cité Concorde | LX538/533 | |
| Anton Prowse | Invited Expert | 27 Oct | 31 Oct | Cité Internationale Temporim | | |
| Koji Ishii | Rakuten | 27 Oct | 3 Nov | Hilton | BA362/AA041 | |
| Sylvain Galineau | Microsoft | 25 Oct | 1 Nov | Hilton (Lyon) | | +TTWF |
| Rossen Atanassov | Microsoft | 27 Oct | 1 Nov | Hilton (Lyon) | | |
| Lea Verou | W3C | 27 Oct | 3 Nov | La Rene Astrid | | +TTWF |
| Jet Villegas | Mozilla | Oct 27 | Nov 1 | Hôtel de la Cité Concorde | TGV | +TTWF |

Regrets: John Daggett, Molly Holzschlag
===== Agenda =====

==== Sunday ====
== AM ==

  * Style Attr
  * Writing Modes
  * CSS Text Level 3 open issues
  * CSS Text Decorations Level 3 open issues
  * CSS Prioritization

  * css3-conditional update
  * CSS3 Sizing update WD?
    * Intrinsic Sizing of Multi-column Elements
  * CSS collision http://lists.w3.org/Archives/Public/www-archive/2012Oct/att-0120/Overview.html

== PM ==

  * css3-exclusions: open issues
  * Line Module
  * css3-page: layout of page-margin boxes. Mail [[http://lists.w3.org/Archives/Public/www-style/2012Jul/0036.html|1]], [[http://lists.w3.org/Archives/Public/www-style/2012Jun/0184.html|2]]; [[https://github.com/SimonSapin/css/blob/master/margin-boxes-variable-dimension|proposed replacement]]
  * css3-page: [[http://lists.w3.org/Archives/Public/www-style/2012Oct/0769.html|initial containing block]]
  * css3-box:
    * true horizontal centering: use 'margin: fill' or a new property?
    * vertical justification or leaders (of which vertical centering is a special case): use 'margin: fill', something with leaders(), or something else?
  * css3-break: [[http://lists.w3.org/Archives/Public/www-style/2012Oct/0428.html|relative positioning]], [[http://lists.w3.org/Archives/Public/www-style/2012Sep/0304.html|zero-height fragmentainers]]
  * Overflow regions


==== Monday ====
== AM ==

  * HTML5 style issues
  * css3-regions: stacking contexts, elements, [[http://lists.w3.org/Archives/Public/www-style/2012Oct/0304.html|box generation]], [[http://lists.w3.org/Archives/Public/www-style/2012Oct/0564.html|ICB]]
  * Multicol


== PM ==

  * **Group photo!**
  * CSS Masking publish FPWD? Discuss open issues (expected 30min discussion)
    * Issue 1: add new keywords to mask-clip [[http://lists.w3.org/Archives/Public/www-style/2012Oct/0557.html]]
    * Issue 2: 'clip' as shorthand for 'clip-path' or deprecated but mandatory? [[http://lists.w3.org/Archives/Public/www-style/2012Oct/0643.html]]
  * CSS Blending and Compositing
    * isolation group on compositing
    * proceed with blending 
  * css3-animations: update, issues
  * CSS Transforms
    * interpolation of 2D matrices [[http://lists.w3.org/Archives/Public/www-style/2012Oct/0513.html]]
    * integration of 3D context into 2D document [[http://lists.w3.org/Archives/Public/www-style/2012Oct/0507.html]]
    * containing block usage in spec incorrect [[https://www.w3.org/Bugs/Public/show_bug.cgi?id=16328]]
    * LCWD? (depends on outcome of discussions)


==== Tuesday ====
== AM ==

  * CSS Transforms - followup
  * case-sensitivity of user-idents (joint with i18n)
  * before/after vs. head/foot
  * Grid Layout and line-based addressing
  * css3-conditional LC/CR
  * css3-ui: [[http://www.w3.org/Style/CSS/Tracker/issues/279|text-overflow:ellipsis selection behavior - issue 279]] (raised in 2009-11 minutes http://lists.w3.org/Archives/Public/www-style/2009Nov/0219.html)

== PM ==

  * HTML5 challenges:
    * SVG: 'display: svg'? 'display: foreign'? (The latter signals Namespace-dependent rendering)
    * Math: add math boxes? or 'display: foreign'? (But in that case, how to handle baselines and line breaking?)
    * <details>: two pseudo-classes, ':normal' and ':alt'?
    * seamless: 'height: complex' (same as 'auto', but for a replaced element whose height depends on its width in more complicated ways than via an aspect ratio)?
  * Alternate stylesheets


===== Proposed Topics =====

  * css3-conditional LC/CR
  * case-sensitivity of user-idents (joint with i18n)
  * Alternate stylesheets
  * css3-page: layout of page-margin boxes. Mail [[http://lists.w3.org/Archives/Public/www-style/2012Jul/0036.html|1]], [[http://lists.w3.org/Archives/Public/www-style/2012Jun/0184.html|2]]; [[https://github.com/SimonSapin/css/blob/master/margin-boxes-variable-dimension|proposed replacement]]
  * css3-page: [[http://lists.w3.org/Archives/Public/www-style/2012Oct/0769.html|initial containing block]]
  * before/after vs. head/foot
  * Grid Layout and line-based addressing
  * Writing Modes
  * Intrinsic Sizing of Multi-column Elements
  * CSS3 Sizing update WD?
  * css3-regions: stacking contexts, elements, [[http://lists.w3.org/Archives/Public/www-style/2012Oct/0304.html|box generation]], [[http://lists.w3.org/Archives/Public/www-style/2012Oct/0564.html|ICB]]
  * css3-break: [[http://lists.w3.org/Archives/Public/www-style/2012Oct/0428.html|relative positioning]], [[http://lists.w3.org/Archives/Public/www-style/2012Sep/0304.html|zero-height fragmentainers]]
  * css3-ui: text-overflow:ellipsis
  * css3-animations: update, issues
  * css3-exclusions: open issues
  * CSS Transforms
    * interpolation of 2D matrices [[http://lists.w3.org/Archives/Public/www-style/2012Oct/0513.html]]
    * integration of 3D context into 2D document [[http://lists.w3.org/Archives/Public/www-style/2012Oct/0507.html]]
    * containing block usage in spec incorrect [[https://www.w3.org/Bugs/Public/show_bug.cgi?id=16328]]
    * LCWD? (depends on outcome of discussions)
  * CSS Masking publish FPWD? Discuss open issues (expected 30min discussion)
    * Issue 1: add new keywords to mask-clip [[http://lists.w3.org/Archives/Public/www-style/2012Oct/0557.html]]
    * Issue 2: 'clip' as shorthand for 'clip-path' or deprecated but mandatory? [[http://lists.w3.org/Archives/Public/www-style/2012Oct/0643.html]]
  * HTML5 challenges:
    * SVG: 'display: svg'? 'display: foreign'? (The latter signals Namespace-dependent rendering)
    * Math: add math boxes? or 'display: foreign'? (But in that case, how to handle baselines and line breaking?)
    * <details>: two pseudo-classes, ':normal' and ':alt'?
    * seamless: 'height: complex' (same as 'auto', but for a replaced element whose height depends on its width in more complicated ways than via an aspect ratio)?
  * css3-box:
    * true horizontal centering: use 'margin: fill' or a new property?
    * vertical justification or leaders (of which vertical centering is a special case): use 'margin: fill', something with leaders(), or something else?
  * CSS Blending and Compositing
    * isolation group on compositing
    * proceed with blending 
  * CSS Text Level 3 open issues
  * CSS Text Decorations Level 3 open issues
  * CSS collision http://lists.w3.org/Archives/Public/www-archive/2012Oct/att-0120/Overview.html
  * **Group photo!**