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rustdoc: remove legacy user-select CSS

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According to [caniuse], the only supported browser that requires the vendor prefix,
as defined in [RFC 1985], is Safari.

* The last version of Chrome that required a vendor prefix was version 53.
  The current version is 108.
* Firefox 68 is the last version that required a vendor prefix. The
  [current Firefox ESR] is version 102.
* The current version of Safari for Mac and iOS still requires a prefix.
* The last version of Edge that required a vendor frefix was 18. The current
  version of Edge is 108.
* UCAndroid support is unknown, but if it still requires a vendor prefix,
  it's more likely to be `-webkit-` than `-moz-` or `-ms-`, since they
  would want to emulate iOS for compatibility.

[caniuse]: https://caniuse.com/?search=user-select
[RFC 1985]: https://rust-lang.github.io/rfcs/1985-tiered-browser-support.html
[current Firefox ESR]: https://wiki.mozilla.org/Releases
This commit is contained in:
Michael Howell 2023-01-05 10:59:21 -07:00
parent 1d284af117
commit 0de182a581
1 changed files with 0 additions and 2 deletions
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2
src/librustdoc/html/static/css/rustdoc.css
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@ -538,8 +538,6 @@ ul.block, .block li {
overflow: initial;
text-align: right;
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
padding: 14px 8px;
color: var(--src-line-numbers-span-color);