Grammar for AsciiDoc from TextMate bundle

.gitmodules

@@ -621,3 +621,6 @@
 [submodule "vendor/grammars/Stylus"]
 	path = vendor/grammars/Stylus
 	url = https://github.com/billymoon/Stylus
+[submodule "vendor/grammars/asciidoc.tmbundle"]
+	path = vendor/grammars/asciidoc.tmbundle
+	url = https://github.com/zuckschwerdt/asciidoc.tmbundle

grammars.yml

@@ -150,6 +150,8 @@ vendor/grammars/apache.tmbundle:
 - source.apache-config.mod_perl
 vendor/grammars/applescript.tmbundle:
 - source.applescript
+vendor/grammars/asciidoc.tmbundle/:
+- text.html.asciidoc
 vendor/grammars/asp.tmbundle:
 - source.asp
 - text.html.asp

lib/linguist/languages.yml

@@ -186,7 +186,7 @@ AsciiDoc:
   - .asciidoc
   - .adoc
   - .asc
-  tm_scope: none
+  tm_scope: text.html.asciidoc
 
 AspectJ:
   type: programming