Commits on Jun 13, 2022

1. rustdoc: remove link on slice brackets …

   Since rust-lang#97668 was merged, the slice::get function now looks like this:
   
   ![image](https://user-images.githubusercontent.com/1593513/173430685-1dd2b275-2439-4392-b7d4-96bcb355a377.png)
   
   That whole thing, `[T]`, is a single link to `primitive.slice.html`. This
   definitely fixes it for this case, but it's not obvious what we should do for
   slices of concrete types:
   
   ![image](https://user-images.githubusercontent.com/1593513/173430968-7eed1aec-b688-4f84-a492-9210aff0037a.png)
   
   There are actually three links in that `[u8]`: the opening brace `[` is a
   link to `primitive.slice.html`, the `u8` is a link to `primitive.u8.html`,
   and the final `]` is a link to `primitive.slice.html`. This is a serious
   [usability bug](https://usability.yale.edu/web-accessibility/articles/links):
   the square braces are much too small for anyone who doesn't have perfect
   motor control using mouse or touch, provide an excessive number of tab stops
   for anyone using keyboard, and no visual indication whatsoever that they're
   separate links.
   
   Now that slices of generic types are linked, it seems reasonable to err on
   the side of less clutter and stop linking concrete slices to the slice page.

   

   notriddle committed Jun 13, 2022
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