Fix forward compatibility for rewritten C#

caused by sublimehq/Packages@927bcbe

Author: deathaxe

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

@@ -26,17 +26,35 @@ contexts:
   inside-triple-quoted-raw-string-syntax:
     # required for sublimehq/Packages/pull/4547
     - meta_include_prototype: false
-    - include: immediately-pop
+    - meta_scope: meta.string.cs string.quoted.double.block.cs
+    - include: inside-triple-quoted-raw-string-plain
+
+  inside-triple-quoted-raw-string-sql: []
+
+  inside-triple-quoted-raw-string-plain:
+    - meta_prepend: true
 
   inside-verbatim-string-syntax:
     # required for sublimehq/Packages/pull/4547
     - meta_include_prototype: false
-    - include: immediately-pop
+    - meta_scope: meta.string.cs string.quoted.double.verbatim.cs
+    - include: inside-verbatim-string-plain
+
+  inside-verbatim-string-sql: []
+
+  inside-verbatim-string-plain:
+    - meta_prepend: true
 
   inside-verbatim-format-string-syntax:
     # required for sublimehq/Packages/pull/4547
     - meta_include_prototype: false
-    - include: immediately-pop
+    - meta_scope: meta.string.interpolated.cs string.quoted.double.verbatim.cs
+    - include: inside-verbatim-format-string-plain
+
+  inside-verbatim-format-string-sql: []
+
+  inside-verbatim-format-string-plain:
+    - meta_prepend: true
 
   immediately-pop:
     # required before sublimehq/Packages/pull/4547

tests/syntax_test_strings.ps1

@@ -60,8 +60,7 @@
     @'
     using System;
 #^^^^^^^^^^^^^^^^ meta.string.powershell string.quoted.single.heredoc.powershell source.cs
-#   ^^^^^ keyword.control.import.cs
-#         ^^^^^^ meta.path.cs
+#   ^^^^^ keyword
 #               ^ punctuation.terminator
 '@
 
@@ -232,8 +231,7 @@
     @"
     using System;
 #^^^^^^^^^^^^^^^^ meta.string.interpolated.powershell string.quoted.double.heredoc.powershell source.cs
-#   ^^^^^ keyword.control.import.cs
-#         ^^^^^^ meta.path.cs
+#   ^^^^^ keyword
 #               ^ punctuation.terminator
 "@