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linguist/README.md
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  Modifying some modeline fixtures to test case InSeNsItivitY
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Linguist

This library is used on GitHub.com to detect blob languages, ignore binary or vendored files, suppress generated files in diffs, and generate language breakdown graphs.

See Troubleshooting and CONTRIBUTING.md before filing an issue or creating a pull request.

Troubleshooting

My repository is detected as the wrong language

language stats bar

The Language stats bar is built by aggregating the languages of each file in that repository. If it is reporting a language that you don't expect:

  1. Click on the name of the language in the stats bar to see a list of the files that are identified as that language.
  2. If you see files that you didn't write, consider moving the files into one of the paths for vendored code, or use the manual overrides feature to ignore them.
  3. If the files are being misclassified, search for open issues to see if anyone else has already reported the issue. Any information you an add, especially links to public repositories, is helpful.
  4. If there are no reported issues of this misclassification, open an issue and include a link to the repository or a sample of the code that is being misclassified.

Overrides

Linguist supports a number of different custom overrides strategies for language definitions and vendored paths.

Using gitattributes

Add a .gitattributes file to your project and use standard git-style path matchers for the files you want to override to set linguist-language and linguist-vendored.

$ cat .gitattributes
*.rb linguist-language=Java

Checking code you didn't write, such as JavaScript libraries, into your git repo is a common practice, but this often inflates your project's language stats and may even cause your project to be labeled as another language. By default, Linguist treats all of the paths defined in lib/linguist/vendor.yml as vendored and therefore doesn't include them in the language statistics for a repository.

Use the linguist-vendored attribute to vendor or un-vendor paths.

$ cat .gitattributes
special-vendored-path/* linguist-vendored
jquery.js linguist-vendored=false

Using Emacs and Vim modelines

Alternatively, you can use Vim and Emacs style modelines to set the language for a single file. Modelines can be placed anywhere within a file and are respected when determining how to syntax-highlight a file on GitHub.com

Vim
vim: set filetype=prolog:
vim: set ft=cpp:

Emacs
-*- mode: php;-*-