New grammar for Racket

.gitmodules

@@ -543,3 +543,6 @@
 [submodule "vendor/grammars/language-hy"]
 	path = vendor/grammars/language-hy
 	url = https://github.com/rwtolbert/language-hy
+[submodule "vendor/grammars/Racket"]
+	path = vendor/grammars/Racket
+	url = https://github.com/soegaard/racket-highlight-for-github

grammars.yml

@@ -56,6 +56,8 @@ vendor/grammars/PHP-Twig.tmbundle:
 - text.html.twig
 vendor/grammars/RDoc.tmbundle:
 - text.rdoc
+vendor/grammars/Racket:
+- source.racket
 vendor/grammars/SCSS.tmbundle:
 - source.scss
 vendor/grammars/Scalate.tmbundle:

lib/linguist/languages.yml

@@ -2475,7 +2475,7 @@ Racket:
   - .rktd
   - .rktl
   - .scrbl
-  tm_scope: none
+  tm_scope: source.racket
   ace_mode: lisp
 
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