See inline comments.

Along with that, a cache of the grammar licence file should have been created if you'd followed the instructions in the CONTRIBUTING.md file. This needs to be included in this PR.

Please also link to the source of the sample in the PR template and state the licence of the sample; you removed these lines rather than filling them in.

Whoops. You've included files that you shouldn't have and still don't appear to have followed the instructions as you appear to have manually added a second copy of the grammar.

You've also misunderstood the comment about the license for the sample files: we need a link to the source of the file (not a link to your fork of Linguist) and a simple comment about their licenses.

As for the cached license files, we only need the

LGTM. Thanks.