change to ImGuiCol_ChildBg so Dear ImGui can be used with IMGUI_DISABLE_OBSOLETE_FUNCTIONS
diff --git a/TextEditor.cpp b/TextEditor.cpp
index cddb6ca..b0d6091 100644
--- a/TextEditor.cpp
+++ b/TextEditor.cpp
@@ -834,7 +834,7 @@
 	mTextChanged = false;

 	mCursorPositionChanged = false;

 

-	ImGui::PushStyleColor(ImGuiCol_ChildWindowBg, ImGui::ColorConvertU32ToFloat4(mPalette[(int)PaletteIndex::Background]));

+	ImGui::PushStyleColor(ImGuiCol_ChildBg, ImGui::ColorConvertU32ToFloat4(mPalette[(int)PaletteIndex::Background]));

 	ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2(0.0f, 0.0f));

 	ImGui::BeginChild(aTitle, aSize, aBorder, ImGuiWindowFlags_HorizontalScrollbar | ImGuiWindowFlags_AlwaysHorizontalScrollbar | ImGuiWindowFlags_NoMove);

 	ImGui::PushAllowKeyboardFocus(true);