.syntax extension for YAML

lib/linguist/languages.yml

@@ -3718,6 +3718,7 @@ YAML:
   - .yml
   - .reek
   - .rviz
+  - .syntax
   - .yaml
   - .yaml-tmlanguage
   ace_mode: yaml

samples/YAML/source.r-console.syntax

@@ -0,0 +1,16 @@
+--- 
+name: R Console
+fileTypes: []
+
+scopeName: source.r-console
+uuid: F629C7F3-823B-4A4C-8EEE-9971490C5710
+patterns: 
+- name: source.r.embedded.r-console
+  begin: "^> "
+  beginCaptures: 
+    "0": 
+      name: punctuation.section.embedded.r-console
+  end: \n|\z
+  patterns: 
+  - include: source.r
+keyEquivalent: ^~R