Add Pod 6 to the languages.yml [Pending markup support] (#4149)

* Revert "Revert "Add Pod 6 to the languages.yml (#4083)" (#4148)"

This reverts commit e9ad913.

* add .pod6 to Pod 6 extensions

* bump

* remove XPM disambig from .pod

lib/linguist/heuristics.rb

@@ -111,7 +111,6 @@ def call(data)
         end
       end
     end
-
   end
 
   class And

lib/linguist/heuristics.yml

@@ -268,6 +268,11 @@ disambiguations:
     named_pattern: perl6
   - language: XPM
     pattern: '^\s*\/\* XPM \*\/'
+- extensions: ['.pod']
+  rules:
+  - language: Pod 6
+    pattern: '^[\s&&[^\n]]*=(comment|begin pod|begin para|item\d+)'
+  - language: Pod
 - extensions: ['.pp']
   rules:
   - language: Pascal

lib/linguist/languages.yml

@@ -3615,6 +3615,17 @@ Pod:
   - perl
   tm_scope: none
   language_id: 288
+Pod 6:
+  type: prose
+  ace_mode: perl
+  tm_scope: source.perl6fe
+  wrap: true
+  extensions:
+  - ".pod"
+  - ".pod6"
+  interpreters:
+  - perl6
+  language_id: 155357471
 PogoScript:
   type: programming
   color: "#d80074"