LGTM2 On Thu, Nov 6, 2025 at 1:43 AM 'Divyansh Mangal' via blink-dev < [email protected]> wrote:
> Hi Philip, Thanks for the approval! > > Providing inputs to your comments below: > > > Thanks for the links, I think that the "meaning" in "allowed values and > meaning" is supposed to imply that the same processing model and algorithm > should be used. I do think it would be better if the SVG spec was more > explicit, but that's practically an editorial concern. > Got it, I see your point, I will raise this as an issue to update the spec > for SVG <a> element so that the meaning is a little more clear in terms of > processing model and algorithm as well. > > > If there is any difference at all between SVG <a> and HTML <a> in how > these four attributes are handled I think that needs to be spec'd and > tested, but if it's all the same then this seems straightforward. > And yes, attributes in HTML <a> and SVG <a> are expected to behave the > same. > > With Regards > Divyansh > ------------------------------ > *From:* Philip Jägenstedt <[email protected]> > *Sent:* 06 November 2025 14:45 > *To:* Divyansh Mangal <[email protected]> > *Cc:* blink-dev <[email protected]> > *Subject:* Re: [EXTERNAL] Re: [blink-dev] Intent to Ship: Support ping, > hreflang, type and referrerPolicy for SVGAElement > > Hi Divyansh, > > Thanks for the links, I think that the "meaning" in "allowed values and > meaning" is supposed to imply that the same processing model and algorithm > should be used. I do think it would be better if the SVG spec was more > explicit, but that's practically an editorial concern. > > If there is any difference at all between SVG <a> and HTML <a> in how > these four attributes are handled I think that needs to be spec'd and > tested, but if it's all the same then this seems straightforward. > > LGTM1 > > Best regards, > Philip > > On Thu, Nov 6, 2025 at 6:38 AM Divyansh Mangal <[email protected]> > wrote: > > Hi Philip, SVG2.0 does indeed defines these attributes by giving > references of corresponding definitions of HTML <a> tag attributes. > > For ping and referrerPolicy, we have the following, respectively: > https://svgwg.org/svg2-draft/linking.html#AElementPingAttribute > https://svgwg.org/svg2-draft/linking.html#AElementReferrerpolicyAttribute > > Moreover, SVG2.0 says: > *These attributes further describe the targetted resource and its > relationship to the current document. Allowed values and meaning are **as > defined for the > <https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-a-element>**a > <https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-a-element>** > element > in HTML > <https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-a-element>* > *.* > > But let me know if these references are enough for defining the behaviour? > > With Regards > Divyansh > ------------------------------ > *From:* Philip Jägenstedt <[email protected]> > *Sent:* 05 November 2025 16:10 > *To:* Divyansh Mangal <[email protected]> > *Cc:* blink-dev <[email protected]> > *Subject:* [EXTERNAL] Re: [blink-dev] Intent to Ship: Support ping, > hreflang, type and referrerPolicy for SVGAElement > > Hi Divyansh! > > Thanks for working to align SVG and HTML <a> elements! > > Can you confirm if > https://svgwg.org/svg2-draft/linking.html#InterfaceSVGAElement really > defines all of the behavior you'd like to ship here? In particular for ping > and referrerPolicy, it's non-trivial, and the SVG spec itself doesn't seem > to define anything beyond the IDL attribute reflection. > > I think that updating https://html.spec.whatwg.org/#hyperlink-auditing and > https://html.spec.whatwg.org/#following-hyperlinks to include SVG <a> or > to somehow invoke HTML from the SVG spec would be enough. Unless this is > already covered somewhere I'm not seeing, can you look into making the > appropriate spec changes? > > Best regards, > Philip > > On Wed, Nov 5, 2025 at 10:39 AM 'Divyansh Mangal' via blink-dev < > [email protected]> wrote: > > *Contact emails* > [email protected] > > *Specification* > https://svgwg.org/svg2-draft/linking.html#InterfaceSVGAElement > > *Summary* > Adds support for ping, hreflang, type, and referrerPolicy attributes on > SVGAElement, aligning its behavior with HTMLAnchorElement for consistent > link handling across HTML and SVG. > > *Blink component* > Blink>SVG > <https://issues.chromium.org/issues?q=customfield1222907:%22Blink%3ESVG%22> > > *Web Feature ID* > svg <https://webstatus.dev/features/svg> > > *Motivation* > The SVGAElement interface in SVG 2.0 is evolving to align more closely > with HTML anchor elements, now supporting attributes like ping, hreflang, > type, and referrerPolicy. This promotes consistency across web technologies > and gives developers more control over link behavior and metadata. > > ping: Specifies URLs to be notified when a link is followed, enabling > lightweight tracking and analytics without disrupting navigation. > > hreflang: Indicates the language of the linked resource, improving > accessibility and helping search engines serve localized content. > > type: Declares the MIME type of the linked resource, allowing smarter > handling and performance optimization. > > referrerPolicy: Controls how much referrer info is sent when navigating. > Policies like no-referrer or strict-origin-when-cross-origin enhance > privacy and security. > > These enhancements make SVG links more powerful, predictable, and aligned > with modern web standards. > > *Initial public proposal* > *No information provided* > > *TAG review* > *No information provided* > > *TAG review status* > Not applicable > > *Risks* > > > *Interoperability and Compatibility* > *No information provided* > > *Gecko*: Shipped/Shipping ( > https://developer.mozilla.org/en-US/docs/Web/API/SVGAElement#browser_compatibility > ) > Gecko only partially supports the ping attribute > Open bug for full implementation for ping attribute in Gecko: > https://bugzilla.mozilla.org/show_bug.cgi?id=951104 > hreflang, type and referrerPolicy are fully supported. > > *WebKit*: Neutral ( > https://github.com/WebKit/standards-positions/issues/566) > WebKit has recently shipped hreflang and type attribute support for SVG > <a> element > > *Web developers*: No signals > > *Other signals*: 10+ users have upvoted on the Chromium bug. > > *WebView application risks* > *Does this intent deprecate or change behavior of existing APIs, such that > it has potentially high risk for Android WebView-based applications?* > None > > > *Debuggability* > Attributes will be inspectable via DevTools Elements panel, consistent > with HTML <a> element. > > *Will this feature be supported on all six Blink platforms (Windows, Mac, > Linux, ChromeOS, Android, and Android WebView)?* > Yes > > *Is this feature fully tested by **web-platform-tests > <https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>* > *?* > Yes > > For ping: > > Https://wpt.fyi/results/svg/linking/scripted/a.ping-functionality.html?label=experimental&label=master&aligned > <https://wpt.fyi/results/svg/linking/scripted/a.ping-functionality.html?label=experimental&label=master&aligned> > > > for hreflang: > > Https://wpt.fyi/results/svg/linking/scripted/a.hreflang-getter-01.svg?label=experimental&label=master&aligned > <https://wpt.fyi/results/svg/linking/scripted/a.hreflang-getter-01.svg?label=experimental&label=master&aligned> > > > for type: > > Https://wpt.fyi/results/svg/linking/scripted/a.type-getter-01.svg?label=experimental&label=master&aligned > <https://wpt.fyi/results/svg/linking/scripted/a.type-getter-01.svg?label=experimental&label=master&aligned> > > > Https://wpt.fyi/results/svg/linking/scripted/a.type-getter-02.svg?label=experimental&label=master&aligned > <https://wpt.fyi/results/svg/linking/scripted/a.type-getter-02.svg?label=experimental&label=master&aligned> > > > for referrerPolicy: > 120 new WPTs tests are generated for checking the various cases of > referrerPolicy, the tests have the pattern > *referrer-policy/gen/*/svg-a-tag.http.html* > for example: > https://wpt.fyi/results/referrer-policy/gen/top.meta/never/svg-a-tag.http.html > > *Flag name on about://flags* > *No information provided* > > *Finch feature name* > SvgAnchorElementAttributes > > *Rollout plan* > Will ship enabled for all users > > *Requires code in //chrome?* > False > > *Tracking bug* > https://issues.chromium.org/issues/40589293 > > *Estimated milestones* > Shipping on desktop > 144 > Shipping on Android > 144 > Shipping on WebView > 144 > > > *Anticipated spec changes* > *Open questions about a feature may be a source of future web compat or > interop issues. Please list open issues (e.g. links to known github issues > in the project for the feature specification) whose resolution may > introduce web compat/interop risk (e.g., changing to naming or structure of > the API in a non-backward-compatible way).* > *No information provided* > > *Link to entry on the Chrome Platform Status* > https://chromestatus.com/feature/5140707648077824?gate=6224522713890816 > > This intent message was generated by Chrome Platform Status > <https://chromestatus.com/>. > > -- > You received this message because you are subscribed to the Google Groups > "blink-dev" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion visit > https://groups.google.com/a/chromium.org/d/msgid/blink-dev/SEYP153MB1097BD3F67D4555910484B16ADC5A%40SEYP153MB1097.APCP153.PROD.OUTLOOK.COM > <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/SEYP153MB1097BD3F67D4555910484B16ADC5A%40SEYP153MB1097.APCP153.PROD.OUTLOOK.COM?utm_medium=email&utm_source=footer> > . > > -- > You received this message because you are subscribed to the Google Groups > "blink-dev" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion visit > https://groups.google.com/a/chromium.org/d/msgid/blink-dev/SEYP153MB1097D2B26434C9571BCDF07BADC2A%40SEYP153MB1097.APCP153.PROD.OUTLOOK.COM > <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/SEYP153MB1097D2B26434C9571BCDF07BADC2A%40SEYP153MB1097.APCP153.PROD.OUTLOOK.COM?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "blink-dev" group. 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