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diff --git a/runtime/queries/haskell-persistent/highlights.scm b/runtime/queries/haskell-persistent/highlights.scm
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+;; ----------------------------------------------------------------------------
+;; Literals and comments
+
+(integer) @constant.numeric.integer
+(float) @constant.numeric.float
+(char) @constant.character
+(string) @string
+(attribute_name) @attribute
+(attribute_exclamation_mark) @attribute
+
+(con_unit) @constant.builtin ; unit, as in ()
+
+(comment) @comment
+
+;; ----------------------------------------------------------------------------
+;; Keywords, operators, includes
+
+[
+  "Id"
+  "Primary"
+  "Foreign"
+  "deriving"
+] @keyword
+
+"=" @operator
+
+;; ----------------------------------------------------------------------------
+;; Functions and variables
+
+(variable) @variable
+
+;; ----------------------------------------------------------------------------
+;; Types
+
+(type) @type
+
+(constructor) @constructor