Your code should follow the guidelines from the CKEditor 4 code style guide which helps keep the entire codebase consistent.
[x] PR is consistent with the code style guide
What is the proposed changelog entry for this pull request?
* [#5410](https://github.com/ckeditor/ckeditor4/issues/5410): Added the ability to indicate the language of styles via [config.styleSet config variable](https://ckeditor.com/docs/ckeditor4/latest/api/CKEDITOR_config.html#cfg-stylesSet).
What changes did you make?
PR adds the ability to set the language of the Styles dropdown elements. When the language is not explicitly set, the same language as the editor will be added.
What is the purpose of this pull request?
New feature
Does your PR contain necessary tests?
All patches that change the editor code must include tests. You can always read more on PR testing, how to set the testing environment and how to create tests in the official CKEditor documentation.
This PR contains
Did you follow the CKEditor 4 code style guide?
Your code should follow the guidelines from the CKEditor 4 code style guide which helps keep the entire codebase consistent.
What is the proposed changelog entry for this pull request?
What changes did you make?
PR adds the ability to set the language of the Styles dropdown elements. When the language is not explicitly set, the same language as the editor will be added.
Which issues does your PR resolve?
Closes #5410.