W3C

- DRAFT -

SVG Working Group Teleconference

25 May 2009

See also: IRC log

Attendees

Present
Shepazu, ed, anthony, jwatt, heycam`
Regrets
Chair
Cameron
Scribe
ChrisL

Contents


 

 

<trackbot> Date: 25 May 2009

SVG 1.1 Second Edition update

CmcC: Finished collecting diffs wrt first edition
... put in a changes appendix
... all the ones *not* captured by errata

CL: why exclude changes from the eratta?

CMcC: there is a link

CL: People mostly want to know what changed, not necessarily why. Could be confusing

DS: Agree with Chris

CMcC: Please review the diffs

DS: Suggest discussing at f2f

ED: Yes

CMcC: Errata ostly not folded in yet
... some will not be clean patches due to other overlappig updates, so be careful when applying them.

DS: There are 66 errata in total

CMcC: Split them up and assign them?

DS: Yes

AG: So 11 each

DS: Split the complex ones evenly

CMcC: Prefer to have the spec ready to publish at the end of the f2f.

DS: Cameron, hand out tasks

CL: Yes, go for it

CMcC: Got errata published

CL: Can fix encoding issue with .htaccess file

http://www.w3.org/International/questions/qa-htaccess-charset

CMcC: Some actions need to be done before f2f
... will sift through tracker and add actions to that list

ED: What about test cases?

CMcC: Not all errata have tests, some diffs may need tests also

AG: Cat 2 and 1 errata will not need test cases, mostly

ED: Some tests in the old repository, need to dig them out

CMcC: Who will look for missing tests?

<ed> http://www.w3.org/Graphics/SVG/Group/repository/errata/test-cases/

<ed> (that's the old tests)

AG: We should add tests as we add in errata, spreads the load

CMcC: OK so I will do the non-errata tests and the people allocated errata should add the tests too

<scribe> ACTION: Cameron to identify test cases needed for changes in the changes appendix for 1.1SE [recorded in http://www.w3.org/2009/05/25-svg-minutes.html#action01]

<trackbot> Created ACTION-2573 - Identify test cases needed for changes in the changes appendix for 1.1SE [on Cameron McCormack - due 2009-06-01].

<scribe> ACTION: Cameron to allocate errata fold-in tasks to active WG embers [recorded in http://www.w3.org/2009/05/25-svg-minutes.html#action02]

<trackbot> Created ACTION-2574 - Allocate errata fold-in tasks to active WG members [on Cameron McCormack - due 2009-06-01].

California F2F dates and venue; TPAC 2009 schedule

CMcC: Decided to go for just before SVGOpen

<ed> http://www.w3.org/Graphics/SVG/WG/wiki/SVGOpen_F2F_2009

DS: Only advantage of afterwards is immediate update from the conference. But before is fine

CMcC: JWAtt, is Mozilla ok to host a meeting?

JW: Waiting to hear back

CMcC: Workshops are higher priority as needs more space

JW: Mozilla also moving buildings which complicates things

DS: Will be looking at the space at Google, next week. Could ask if they would host us, its just one room.
... Or we could rotate around the cafes .....

(discussion of the number and size of workshops at svg open)

TPAC

http://www.w3.org/2009/11/TPAC/overview.html

DS: Mini-TPAC was seen as competing with main tpac so we can't do it.
... some of us may attend anyway to do coordination rather than svg wg specific stuff
... call-in for specific topics also a possibility

CMcC: Want to get topics arranged in advance

DS: There is a USD 50/day charge for TPAC this year

AG: still getting approval for TPAC
... depends on travel-ban for health scare stuff

Raleigh F2F agenda

http://www.w3.org/Graphics/SVG/WG/wiki/NCF2F2009

DS: So we have errata checking for publication of 1.1SE by end of the meeting

CMcC: What else

ED: Thought there was an action to fill this in already?

Please fill in the registration form http://www.w3.org/2002/09/wbs/19480/NC2009/

<ed> http://www.w3.org/2009/04/29-svg-minutes.html#item03

CL: Need list of CSS-SVG coord topics for CSS f2f agenda. Then the results can be disussed at svg the week after

CMcC: Module reports and issues arising

ED: Folding in the applying filters to html stuff that roc sent in

CL: Good idea

CMcC: Also add goals for the meeting

Topic; ISSUE-2273: Should negative index values raise INDEX_SIZE_ERR

http://www.w3.org/Graphics/SVG/WG/track/issues/2273

Does not raise an index size error exception

CMcC: Param is unsigned long so no negative numbers possible anyway
... would be casrt to unsigned int
... which other methods raise this?

ED: replaceItem, getItem
... SVG not the only spec to face this issue

CMcC: Older specs that don't reference WebIDL

<ed> http://www.w3.org/TR/DOM-Level-3-Core/core.html#ID-FF21A306

ED: DOM3Core hasan insertData which throws on negative even though ther parameter is unsigned long

CMcC: touint32 tends to be used

CL: so it would re-interpret the bit pattern and end up with a huge number not a negative one

CcC: Yes
... need to test implementations
... with large magnitude negative numbers
... not sure without testing first

ED: Don't think iplementations throw exception, but some may flag as a security breach
... or crash
... s a hint to trap this is good. Prefer throwing to be consistent.

CMcC: Agree, and tend more to removing it rather than adding it here
... could mention in ecmascript binding appendix

ED: Yes, that makes more sense

JW: Out of our scope surely
... converted before SVG even sees it

CMcC: yes, not our layer. But unless WebIDL is referenced we can either not mention it, leave it undefined, or document current practice

JW: Prefer to see this as authoring guidelines

CL: sounds like good wording

CMcC: Prefer that wording and removing the negative index exception

ED: OK

Resolution: We will remove the negative index size error exception on list interface methods

<ed> "INDEX_SIZE_ERR: Raised if the index number is negative or greater than or equal to numberOfItems." -> "INDEX_SIZE_ERR: Raised if the index number is greater than or equal to numberOfItems."

<scribe> ACTION: Erik to remove the negative index size error exception on list interface methods and mention in changes appendix in 1.1SE [recorded in http://www.w3.org/2009/05/25-svg-minutes.html#action03]

<trackbot> Created ACTION-2575 - Remove the negative index size error exception on list interface methods and mention in changes appendix in 1.1SE [on Erik Dahlström - due 2009-06-01].

ED: What to edit?

CMcC: Edit the IDL file, the appendix inclusion is automatic
... and edit the changes appandix manually

href in SVG

<shepazu> http://www.w3.org/2009/05/20-svg-minutes.html#item07

ISSUE-2042?

<trackbot> ISSUE-2042 -- Consider adding adding non-NS linking syntax -- RAISED

<trackbot> http://www.w3.org/Graphics/SVG/WG/track/issues/2042

DS: Robin did clarify somewhat but not completely

<shepazu> http://lists.w3.org/Archives/Public/www-svg/2009May/0041.html

CL: Needs more discussion

DS: A middle ground is to allow xlink: to be dropped, and also allow src as well as href in places where html allows it

AG: Concerned about backwards compatibility

CMcC: Yes, prefer to se html compat rather than an xlink rewrite
... leads into a wider discussion at f2f

Other f2f topics

DS: Want to see a serious discussion about enhanced gradients
... deigners using multiple gradients and blur, but its awkward

CL: three possibilities have been discussed, diffusion curves, trimesh and coons patches

AG: diff curves paper used OpenGL accelleration, but was done in 2 passes
... the last blur step is the performance killer, if there is no hw accel

CmcC: Good to have more info on these for f2f

(chris describes image borders and drop shadows in css3)

<scribe> ACTION: Erik to check with Opera implementors on css3 image borders, slicing/scaling and SVG use [recorded in http://www.w3.org/2009/05/25-svg-minutes.html#action04]

<trackbot> Created ACTION-2576 - Check with Opera implementors on css3 image borders, slicing/scaling and SVG use [on Erik Dahlström - due 2009-06-01].

Summary of Action Items

[NEW] ACTION: Cameron to allocate errata fold-in tasks to active WG embers [recorded in http://www.w3.org/2009/05/25-svg-minutes.html#action02]
[NEW] ACTION: Cameron to identify test cases needed for changes in the changes appendix for 1.1SE [recorded in http://www.w3.org/2009/05/25-svg-minutes.html#action01]
[NEW] ACTION: Erik to check with Opera implementors on css3 image borders, slicing/scaling and SVG use [recorded in http://www.w3.org/2009/05/25-svg-minutes.html#action04]
[NEW] ACTION: Erik to remove the negative index size error exception on list interface methods and mention in changes appendix in 1.1SE [recorded in http://www.w3.org/2009/05/25-svg-minutes.html#action03]
 
[End of minutes]

Minutes formatted by David Booth's scribe.perl version 1.135 (CVS log)
$Date: 2009/05/25 08:09:53 $

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Guessing input format: RRSAgent_Text_Format (score 0.94)

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No ScribeNick specified.  Guessing ScribeNick: ChrisL
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Default Present: Shepazu, ed, anthony, jwatt, heycam`
Present: Shepazu ed anthony jwatt heycam`
Found Date: 25 May 2009
Guessing minutes URL: http://www.w3.org/2009/05/25-svg-minutes.html
People with action items: cameron erik

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