diff -rN -u old-nvim-tree-sitter-unicode-conceal/after/queries/c/highlights.scm new-nvim-tree-sitter-unicode-conceal/after/queries/c/highlights.scm
--- old-nvim-tree-sitter-unicode-conceal/after/queries/c/highlights.scm	1970-01-01 00:00:00.000000000 +0000
+++ new-nvim-tree-sitter-unicode-conceal/after/queries/c/highlights.scm	2024-11-21 17:07:46.205673388 +0000
@@ -0,0 +1,34 @@
+;; SPDX-FileCopyrightText 2024 toastal <toastal@posteo.net>
+;; SPDX-License-Identifier: LGPL-2.1-or-later
+; extends
+
+(return_statement ("return" @keyword.return (#set! conceal "⮡")))
+(assignment_expression ("=" @operator.assignment (#set! conceal "≔")))
+
+("&&" @keyword.operator (#set! conceal "∧"))
+("||" @keyword.operator (#set! conceal "∨"))
+("!" @operator (#set! conceal "¬"))
+("==" @operator (#set! conceal "="))
+("!=" @operator (#set! conceal "≠"))
+("<=" @operator (#set! conceal "≤"))
+(">=" @operator (#set! conceal "≥"))
+
+(binary_expression ("-" @operator (#set! conceal "−")))
+(binary_expression ("*" @operator (#set! conceal "×")))
+(binary_expression ("/" @operator (#set! conceal "÷")))
+
+("->" @operator (#set! conceal "→"))
+([(pointer_expression ("*" @operator.c))] (#set! conceal "►"))
+((pointer_declarator ("*" @operator.c)) (#set! conceal "◄"))
+(pointer_expression ("&" @operator.c) (#set! conceal "※"))
+
+(((primitive_type) @type.builtin (#eq? @type.builtin "bool")) (#set! conceal "𝔹"))
+(((primitive_type) @type.builtin (#eq? @type.builtin "int")) (#set! conceal "ℤ"))
+(((primitive_type) @type.builtin (#eq? @type.builtin "uint")) (#set! conceal "ℕ"))
+(((primitive_type) @type.builtin (#eq? @type.builtin "void")) (#set! conceal "⦰"))
+((null) @constant.builtin (#set! conceal "∅"))
+
+((call_expression function: (identifier) @function.call.c (#eq? @function.call.c "floor")) (#set! conceal "⌊"))
+((call_expression function: (identifier) @function.call.c (#eq? @function.call.c "ceil")) (#set! conceal "⌈"))
+((call_expression function: (identifier) @function.call.c (#eq? @function.call.c "round")) (#set! conceal "⁅"))
+