fix, highlighting of q"()" strings

CHANGELOG.md

@@ -8,6 +8,7 @@ See [LDC announcement](https://forum.dlang.org/post/ssvxmrdpklhsrqlgrzas@forum.d
 ## Bugs fixed
 
 - Messages, when selected, the recently added _Search Results_ category could not be emptied.
+- Highlighter, `q"()"`, `q"[]"`, `q"<>"`, `q"{}>"` strings highlighting was broken.
 
 # v3.9.8
 

src/u_d2syn.pas

@@ -143,6 +143,7 @@ begin
     nestedQGeStrings:= rng.nestedQGeStrings;
     nestedQParensStrings := rng.nestedQParensStrings;
     nestedQSquareStrings := rng.nestedQSquareStrings;
+    nestedQCurlyStrings := rng.nestedQCurlyStrings;
   end;
 end;
 
@@ -176,6 +177,10 @@ begin
   inherited;
   nestedCommentsCount := 0;
   namedRegionCount := 0;
+  nestedQGeStrings:= 0;
+  nestedQParensStrings := 0;
+  nestedQSquareStrings := 0;
+  nestedQCurlyStrings := 0;
   rangeKinds := [];
   rString := false;
 end;
@@ -187,6 +192,10 @@ begin
     nestedCommentsCount := source.nestedCommentsCount;
     namedRegionCount := source.namedRegionCount;
     rangeKinds := source.rangeKinds;
+    nestedQGeStrings:= source.nestedQGeStrings;
+    nestedQParensStrings := source.nestedQParensStrings;
+    nestedQSquareStrings := source.nestedQSquareStrings;
+    nestedQCurlyStrings := source.nestedQCurlyStrings;
     rString := source.rString;
   end;
 end;