Grammar for GAP from TextMate bundle

.gitmodules

@@ -597,3 +597,6 @@
 [submodule "vendor/grammars/InnoSetup"]
 	path = vendor/grammars/InnoSetup
 	url = https://github.com/idleberg/InnoSetup-Sublime-Text
+[submodule "vendor/grammars/gap-tmbundle"]
+	path = vendor/grammars/gap-tmbundle
+	url = https://github.com/dhowden/gap-tmbundle

grammars.yml

@@ -225,6 +225,8 @@ vendor/grammars/fortran.tmbundle:
 - source.fortran.modern
 vendor/grammars/fsharpbinding:
 - source.fsharp
+vendor/grammars/gap-tmbundle/:
+- source.gap
 vendor/grammars/gettext.tmbundle:
 - source.po
 vendor/grammars/gnuplot-tmbundle:

lib/linguist/languages.yml

@@ -961,7 +961,7 @@ GAP:
   - .gd
   - .gi
   - .tst
-  tm_scope: none
+  tm_scope: source.gap
   ace_mode: text
 
 GAS: