Comments + adding spacing in headers because VS IDE parser display blocks so badly. Add helper in internal's ImGuiInputTextState. (#4275)

imgui.cpp

@@ -4459,6 +4459,9 @@ void ImGui::EndFrame()
     CallContextHooks(&g, ImGuiContextHookType_EndFramePost);
 }
 
+// Prepare the data for rendering so you can call GetDrawData()
+// (As with anything within the ImGui:: namspace this doesn't touch your GPU or graphics API at all:
+// it is the role of the ImGui_ImplXXXX_RenderDrawData() function provided by the renderer backend)
 void ImGui::Render()
 {
     ImGuiContext& g = *GImGui;