diff --git a/CMakeLists.txt b/CMakeLists.txt
index c029465..e04676a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -5,11 +5,8 @@ project(green_crdt)
 
 if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
 	set(GREEN_CRDT_STANDALONE ON)
-	# why the f do i need this >:(
-	set(NOT_GREEN_CRDT_STANDALONE OFF)
 else()
 	set(GREEN_CRDT_STANDALONE OFF)
-	set(NOT_GREEN_CRDT_STANDALONE ON)
 endif()
 message("II GREEN_CRDT_STANDALONE " ${GREEN_CRDT_STANDALONE})
 
@@ -58,6 +55,10 @@ if (GREEN_CRDT_STANDALONE)
 		endif()
 	endif()
 
+	# TODO: also make option
+	# note: hardcoded on in tests
+	add_compile_definitions(EXTRA_ASSERTS=1)
+
 endif()
 
 # cmake setup end
diff --git a/version3/CMakeLists.txt b/version3/CMakeLists.txt
index 87719ad..79d0223 100644
--- a/version3/CMakeLists.txt
+++ b/version3/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.9 FATAL_ERROR)
+cmake_minimum_required(VERSION 3.9...3.24 FATAL_ERROR)
 
 project(crdt_version3 CXX C)
 
diff --git a/version3/green_crdt/v3/list.hpp b/version3/green_crdt/v3/list.hpp
index ca3dc3c..4db4e8a 100644
--- a/version3/green_crdt/v3/list.hpp
+++ b/version3/green_crdt/v3/list.hpp
@@ -4,7 +4,6 @@
 #include <optional>
 #include <unordered_map>
 #include <vector>
-#include <string>
 
 #include <cassert>
 
diff --git a/version3/green_crdt/v3/text_document.hpp b/version3/green_crdt/v3/text_document.hpp
index 31b9022..8c77881 100644
--- a/version3/green_crdt/v3/text_document.hpp
+++ b/version3/green_crdt/v3/text_document.hpp
@@ -3,6 +3,7 @@
 #include "./list.hpp"
 
 #include <variant>
+#include <string>
 
 //#include <iostream> // debug
 
@@ -51,7 +52,7 @@ struct TextDocument {
 	}
 
 	bool apply(const Op& op) {
-		if(std::holds_alternative<OpAdd>(op)) {
+		if (std::holds_alternative<OpAdd>(op)) {
 			const auto& add_op = std::get<OpAdd>(op);
 			//std::cout << "a:" << add_op.id.id << " s:" << add_op.id.seq << " v:" << add_op.value << "\n";
 			return state.add(add_op.id, add_op.value, add_op.parent_left, add_op.parent_right);
@@ -97,7 +98,7 @@ struct TextDocument {
 		return ops;
 	}
 
-	// adds in tast with specified parents
+	// adds in text with specified parents
 	// returns generated ops
 	std::vector<Op> addText(
 		std::optional<typename ListType::ListID> parent_left,