Thanks Mike for looking up github usage. It does indeed do nothing and the
github refs are all -webkit-highlight: none or initial, which I have to
assume was also none. We checked many of the http-archive links and they
were all the one a11y library usage, all value none.

Cheers,
Stephen.

On Fri, Jun 30, 2023 at 3:36 PM Mike Taylor <miketa...@chromium.org> wrote:

>
> https://github.com/search?type=code&q=-webkit-highlight+language%3ACSS&l=CSS
> shows this has been used elsewhere (but I guess has just been useless in
> clank?).
>
> That said, LGTM2.
>
> On 7/1/23 4:33 AM, Rick Byers wrote:
>
> Removing a prefixed API with no behavior should be trivial, thanks for the
> cleanup Stephen :-)
>
> However, the UseCounter is surprisingly high with lots of hits in HA:
> https://chromestatus.com/metrics/css/timeline/popularity/251. Just
> confirming that you looked at a sample of those hits and found they were
> all using this 3P library?
>
> LGTM1
>
>
>
> On Thu, Jun 29, 2023 at 1:30 PM Stephen Chenney <schen...@chromium.org>
> wrote:
>
>> Contact emails schen...@chromium.org, spectran...@igalia.com
>>
>> Explainer None
>>
>> Specification None
>>
>> Summary
>>
>> The CSS property -webkit-highlight is intended to highlight text, but was
>> never standardized. It has no visible effect in chromium (it is parsed but
>> never used in rendering content). The property was removed from WebKit in
>> 2014 (https://bugs.webkit.org/show_bug.cgi?id=128456), has been marked
>> as deprecated on MDN, and has been replaced recently with the CSS Highlight
>> Pseudo spec (https://www.w3.org/TR/css-pseudo-4/#highlight-pseudos). The
>> property seems to be used in a single third-party library (
>> https://www.audioeye.com/) where it is always set to the value "none".
>>
>>
>> Blink component Blink>CSS
>> <https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3ECSS>
>>
>> TAG review None
>>
>> TAG review status Not applicable
>>
>> Risks
>>
>>
>> Interoperability and Compatibility
>>
>> Improving interop and compat. No other browser supports this feature and
>> the feature has no effect.
>>
>>
>> *Gecko*: N/A Never shipped.
>>
>> *WebKit*: Removed in 2014. (
>> https://bugs.webkit.org/show_bug.cgi?id=128456)
>>
>> *Web developers*: No signals. The property is essentially undiscoverable.
>>
>> *Other signals*:
>>
>> 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
>>
>> Will this feature be supported on all six Blink platforms (Windows, Mac,
>> Linux, Chrome OS, Android, and Android WebView)? No
>>
>> Is this feature fully tested by web-platform-tests
>> <https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>
>> ? No
>>
>> Flag name on chrome://flags
>>
>> Finch feature name
>>
>> Non-finch justification The feature does nothing, so the behavior of web
>> content cannot change. There are no crash concerns with the code being
>> removed.
>>
>> Requires code in //chrome? False
>>
>> Tracking bug
>> https://bugs.chromium.org/p/chromium/issues/detail?id=1086089
>>
>> Estimated milestones
>> Shipping on desktop 117
>> Shipping on Android 117
>> Shipping on WebView 117
>>
>> 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).
>> None
>>
>> Link to entry on the Chrome Platform Status
>> https://chromestatus.com/feature/5171295490146304
>>
>> Links to previous Intent discussions
>>
>> This intent message was generated by Chrome Platform Status
>> <https://chromestatus.com/>.
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>>
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