Weekly github digest (svgwg, svg-aam, fxtf-drafts, graphics-aam, graphics-aria)

Issues
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* w3c/svgwg (+5/-0/💬15)
  5 issues created:
  - Add an event for zoom level changes (by Zhang-Junzhi)
    https://github.com/w3c/svgwg/issues/561 
  - <circle> with r=0 - disabled or not? (by fsoder)
    https://github.com/w3c/svgwg/issues/560 
  - SVGGeometry.prototype.isPointInStroke vs. vector-effects (by fsoder)
    https://github.com/w3c/svgwg/issues/559 
  - Editorial(ish): Incorrect method reference in algorithm for checkIntersection/checkEnclosure (by fsoder)
    https://github.com/w3c/svgwg/issues/558 
  - Editorial: isPointInStroke references HTML (by fsoder)
    https://github.com/w3c/svgwg/issues/557 

  7 issues received 15 new comments:
  - #559 SVGGeometry.prototype.isPointInStroke vs. vector-effects (3 by fsoder, AmeliaBR)
    https://github.com/w3c/svgwg/issues/559 [Basic Data Types and Interfaces chapter] [Painting chapter] [SVG Core] 
  - #560 <circle> with r=0 - disabled or not? (3 by tabatkins, AmeliaBR, EdorianDark)
    https://github.com/w3c/svgwg/issues/560 [Basic shapes chapter] [SVG Core] 
  - #56 Decide what to do with zoom and pan (3 by Zhang-Junzhi)
    https://github.com/w3c/svgwg/issues/56 [Interactivity chapter] [Needs removal] [SVG Core] 
  - #561 Add an event for zoom level changes (2 by fsoder, AmeliaBR)
    https://github.com/w3c/svgwg/issues/561 
  - #529 stroke-width initial value must include units (2 by dd8, AmeliaBR)
    https://github.com/w3c/svgwg/issues/529 
  - #306 Since vector-effect options other than non-scaling-stroke already have multiple implementations, is the "at risk" flag valid? (1 by satakagi)
    https://github.com/w3c/svgwg/issues/306 [Entire spec] 
  - #504 Need to better define what rules apply to an element in an <svg:use> subtree. (1 by AmeliaBR)
    https://github.com/w3c/svgwg/issues/504 [Agenda+] [Document structure chapter] 

* w3c/fxtf-drafts (+0/-0/💬5)
  2 issues received 5 new comments:
  - #282 [filter-effects-1] What is the visual effect of filter() on the document element? (3 by chrishtr, mstange, css-meeting-bot)
    https://github.com/w3c/fxtf-drafts/issues/282 [Needs CSSWG Input/Decision] [filter-effects-1] 
  - #53 [filter-effects-2] Backdrop filters should not use BackgroundImage (2 by mfreed7, css-meeting-bot)
    https://github.com/w3c/fxtf-drafts/issues/53 [filter-effects-2] 




Repositories tracked by this digest:
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* https://github.com/w3c/svgwg
* https://github.com/w3c/svg-aam
* https://github.com/w3c/fxtf-drafts
* https://github.com/w3c/graphics-aam
* https://github.com/w3c/graphics-aria