### Bug fixes

[vim bindings](https://codemirror.net/demo/vim.html): Make matching of upper-case characters more Unicode-aware.

[lint addon](https://codemirror.net/doc/manual.html#addon_lint): Prevent options passed to the addon itself from being given to the linter.

[show-hint addon](https://codemirror.net/doc/manual.html#addon_show-hint): Improve screen reader support.

[search addon](https://codemirror.net/demo/search.html): Avoid using `innerHTML`.