Don't nest SQL in embedded C#

Author: michaelblyons

PowerShell.sublime-syntax

@@ -1072,7 +1072,7 @@ contexts:
   inside-single-quoted-heredoc-string.syntax:
     - meta_include_prototype: false
     - match: (?={{csharp_indicator}})
-      set: scope:source.cs
+      set: scope:source.cs.embedded.powershell
       with_prototype:
         - match: (?=^{{single_quote}}@)
           pop: 1
@@ -1110,7 +1110,7 @@ contexts:
   inside-double-quoted-heredoc-string.syntax:
     - meta_include_prototype: false
     - match: (?={{csharp_indicator}})
-      set: scope:source.cs
+      set: scope:source.cs.embedded.powershell
       with_prototype:
         - match: (?=^{{double_quote}}@)
           pop: 1

messages/5.0.0-alpha.md

@@ -40,4 +40,4 @@ Thank you.
 
 ## Known Issues
 
-- #213 The Containerfile package exceeds the context sanity check.
+- [X] #213 The Containerfile package exceeds the context sanity check.

syntax/embed/C# (for PowerShell).sublime-syntax

@@ -0,0 +1,22 @@
+%YAML 1.2
+---
+scope: source.cs.embedded.powershell
+# version: 2
+hidden: true
+
+extends: Packages/C#/C#.sublime-syntax
+
+contexts:
+
+  inside_triple_quoted_raw_string_literal_syntax:
+    - include: immediately-pop
+
+  inside_long_string_syntax:
+    - include: immediately-pop
+
+  inside_long_format_string_syntax:
+    - include: immediately-pop
+
+  immediately-pop:
+    - match: ''
+      pop: 1